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Friday, March 11, 2022

Mexico–United States relations

From Wikipedia, the free encyclopedia
 
Mexican–American relations
Map indicating locations of Mexico and USA




Mexico

United States
Diplomatic mission
Embassy of Mexico, Washington, D.C.Embassy of the United States, Mexico City
Envoy
Mexican Ambassador to the United States Esteban MoctezumaAmerican Ambassador to Mexico Ken Salazar

Mexico and the United States share a maritime and land border. Several treaties have been concluded between the two nations bilaterally, such as the Gadsden Purchase, and multilaterally, such as the United States–Mexico–Canada Agreement. Both are members of various international organizations, including the Organization of American States and the United Nations.

Since the late nineteenth century during the regime of President Porfirio Díaz (1876–1911), the two countries have had close diplomatic and economic ties. During Díaz's long presidency, U.S. businessmen acquired agricultural and mining interests in the country. The U.S. played an important role in the course of the Mexican Revolution (1910–20) with direct actions of the U.S. influencing the outcome.

The long border between the two countries means that peace and security in that region are important to the U.S.'s national security and international trade. The U.S. is Mexico's biggest trading partner and Mexico is the U.S.'s third-largest trading partner. In 2010, Mexico's exports totaled US$309.6 billion, and almost three quarters of those purchases were made by the United States. They are also closely connected demographically, with over one million U.S. citizens living in Mexico and Mexico being the largest source of immigrants to the United States, with about 8-10 million Mexican immigrants in the US.

While condemning the terrorist attacks of 9/11 and providing considerable relief aid to the U.S. after Hurricane Katrina, the Mexican government, pursuing neutrality in international affairs, opted not to actively join the War on Terror and the Iraq War, instead being the first nation in history to formally and voluntarily leave the Inter-American Treaty of Reciprocal Assistance in 2002, though Mexico later joined the U.S. in supporting military intervention in the Libyan Civil War.

As of 2013, Mexican students form the 9th largest group of international students studying in the United States, representing 1.7% of all foreigners pursuing higher education in the U.S. The four-year term of President Donald Trump, who had provoked the ire of the Mexican government through threats against companies who invest in Mexico instead of the U.S, and his claims that he would construct a border wall and force Mexico to fund its construction, caused a decline in the relations of the two countries in the mid to late 2010s.

A 2017 survey conducted by the Pew Research Center showed 65% of Mexicans had a negative view of the US, with only 30% having a positive view. This constitutes a significant and abrupt drop from 2015, prior to the 2016 United States presidential election, when 67% of Mexicans had a positive view of the United States. The same study also showed only 5% of Mexicans had confidence in the then US leader, President Donald Trump, with 93% having no confidence in him. Similarly, a poll by YouGov showed that less than one in four Americans have a positive image of Mexico.

The border between Mexico and the United States spans four U.S. states and six Mexican states, and has over twenty commercial crossings.

History

The United States of America shares a unique and often complex relationship with the United Mexican States. With shared history stemming back to the Texas Revolution (1835–1836) and the Mexican–American War (1846–1848), several treaties have been concluded between the two nations, most notably the Gadsden Purchase, and multilaterally with Canada, the North American Free Trade Agreement (NAFTA). Mexico and the United States are members of various international organizations, such as the Organization of American States and the United Nations. Boundary disputes and allocation of boundary waters have been administered since 1889 by the International Boundary and Water Commission, which also maintains international dams and wastewater sanitation facilities. Once viewed as a model of international cooperation, in recent decades the IBWC has been heavily criticized as an institutional anachronism, by-passed by modern social, environmental and political issues. Illegal immigration, arms sales, and drug smuggling continue to be contending issues in 21st-century U.S.-Mexico relations.

Early history

U.S.–Mexico relations grew out of the earlier relations between the fledgling nation of the United States and the Spanish Empire and its viceroyalty of New Spain. Modern Mexico formed the core area of the Viceroyalty of New Spain at the time the United States gained its independence in the American Revolutionary War (1775–1783). Spain had served as an ally to the American colonists in that war.

Joel Roberts Poinsett, first U.S. envoy to an independent Mexico

The aspect of Spanish-American relations that would bear most prominently on later relations between the U.S. and Mexico was the ownership of Texas. In the early 19th century the United States claimed that Texas was part of the territory of Louisiana, and therefore had been rightfully acquired by the United States as part of the Louisiana Purchase from France in 1803. The Spanish, however, claimed it was not, as the western boundaries of Louisiana were not clearly defined. In 1819 the dispute was resolved with the signing of the Adams–Onís Treaty, in which the United States relinquished its claims to Texas and instead purchased Spanish Florida.

Instruments of ratification for an 1832 treaty between the US and the United Mexican States
 
The Territorial evolution of Mexico after independence, noting losses to the United States (red, white and orange).

In 1821 New Spain gained its independence from Spain and established the First Mexican Empire under the rule of Agustín de Iturbide, who had initially fought in the royal army against the insurgents in the independence from Spain. Independent Mexico was soon recognized by the United States. The two countries quickly established diplomatic relations, with Joel Poinsett as the first envoy. In 1828 Mexico and the United States confirmed the boundaries established by the Adams–Onís Treaty by concluding the Treaty of Limits, but certain elements in the United States were greatly displeased with the treaty, as it relinquished rights to Texas. Poinsett, a supporter of the Monroe Doctrine, was convinced that republicanism was the only acceptable form of government for all countries in the Americas, and tried to influence the government of Agustín de Iturbide, which was beginning to show signs of weakness and divisiveness. Poinsett was initially sent to negotiate the acquisition of new territories for the United States, including Texas, New Mexico, and Upper California, as well as parts of Lower California, Sonora, Coahuila, and Nuevo León; but Poinsett's offer to purchase these areas was rejected by the Mexican Ministry of Foreign Affairs headed by Juan Francisco de Azcárate. He became embroiled in the country's political turmoil until his recall in 1830, but he did try to further U.S. interests in Mexico by seeking preferential treatment of U.S. goods over those of Britain, attempting to shift the U.S.–Mexico boundary, and urging the adoption of a constitution patterned on that of the U.S. Poinsett often interfered in the Affairs of the newly born Republic, and provoked disagreements with British charge d'affaires Henry George Ward. Texas remained a focal point of U.S-Mexico relations for decades. The relationship was further affected by internal struggles within the two countries: in Mexico these included concerns over the establishment of a centralized government, while in the United States it centered around the debate over the expansion of slavery, which was expanded to the Mexican territory of Texas. Some Mexican intellectuals, including José Vasconcelos would later assign the term Poinsettismo, in reference to Joel Roberts Poinsett, to designate any act of political or cultural meddling or interference by the United States in Mexican and Latin American affairs.

Beginning in the 1820s, Americans led by Stephan F. Austin and other non-Mexicans began to settle in eastern Texas in large numbers. These Anglo-American settlers, known as Texians, were frequently at odds with the Mexican government, since they sought autonomy from the central Mexican government and the expansion of black slavery into Mexico, which had abolished the institution in 1829 under Mexican president Vicente Guerrero. Their disagreements led to the Texas Revolution, one of a series of independence movements that came to the fore following the 1835 amendments to the Constitution of Mexico, which substantially altered the governance of the country. Prior to the Texas Revolution the general public of the United States was indifferent to Texas, but afterward, public opinion was increasingly sympathetic to the Texans. Following the war a Republic of Texas was declared, though independence was not recognized by Mexico, and the boundaries between the two were never agreed upon. In 1845 the United States annexed Texas, leading to a major border dispute and eventually to the Mexican–American War.

Mexican–American War (1846–1848)

Gadsden Purchase of 1854

The Mexican–American War was fought from 1846 to 1848. Mexico refused to acknowledge that its runaway state of Texas had achieved independence and warned that annexation to the United States would mean war. The United States annexed Texas in late 1845, and the war began the next spring. U.S. President James K. Polk encouraged Congress to declare war following a number of skirmishes on the Mexican–American border. The war proved disastrous for Mexico; the Americans seized New Mexico and California and invaded Mexico's northern provinces. In September 1847, U.S. troops under General Winfield Scott captured Mexico City. The war ended in a decisive U.S. victory; the Treaty of Guadalupe Hidalgo ended the conflict. As a result, Mexico was forced to sell all of its northernmost territory, including California and New Mexico, to the United States in the Mexican Cession. Additionally, Mexico relinquished its claims to Texas, and the United States forgave Mexico's debts to U.S. citizens. Mexicans in the annexed areas became full U.S. citizens.

There had been much talk early in the war about annexing all of Mexico, primarily to enlarge the areas open to slavery. However, many Southern political leaders were in the invasion armies and they recommended against total annexation because of the differences in political culture between the United States and Mexico.

In 1854 the United States purchased an additional 30,000 square miles (78,000 km2) of desert land from Mexico in the Gadsden Purchase; the price was $10 million. The goal was to build a rail line through southern Arizona to California.

1850s

Mexican President Antonio López de Santa Anna sold Mexican territory to the United States in which is known as the Gadsden Purchase, allowing the U.S. to build a railway line more easily through that region. That purchase played a significant role in the ouster of Santa Anna by Mexican liberals, in what is known as the Revolution of Ayutla, since it was widely viewed as selling Mexico's patrimony.

As the liberals made significant political changes in Mexico and a civil war broke out between conservative opponents to the liberal reform, the liberal government of Benito Juárez negotiated with the U.S. to enable the building of an interoceanic route in southern Mexico. A treaty was concluded in 1859 between Melchor Ocampo and the U.S. representative Robert Milligan McLane, giving their names to the McLane-Ocampo Treaty. The U.S. Senate failed to ratify the treaty. Had it passed, Mexico would have made significant concessions to the U.S. in exchange for cash desperately needed by the liberal Mexican government.

Matías Romero, Mexican envoy to the United States

1860s

In 1861, Mexican conservatives looked to French leader Napoleon III to abolish the Republic led by liberal President Benito Juárez. France favored the secessionist Southern states that formed the Confederate States of America in the American Civil War, but did not accord it diplomatic recognition. The French expected that a Confederate victory would facilitate French economic dominance in Mexico. Realizing the U.S. government could not intervene in Mexico, France invaded Mexico and installed an Austrian prince Maximilian I of Mexico as its puppet ruler in 1864. Owing to the shared convictions of the democratically elected government of Juárez and U.S. President Lincoln, Matías Romero, Juárez's minister to Washington, mobilized support in the U.S. Congress and the U.S. protested France's violation of the Monroe Doctrine. Once the American Civil War came to a close in April 1865, the U.S. allowed supporters of Juárez to openly purchase weapons and ammunition and issued stronger warnings to Paris. Napoleon III ultimately withdrew his army in disgrace, and Emperor Maximilian, who remained in Mexico even when given the choice of exile, was executed by the Mexican government in 1867. The support that the U.S. had accorded the liberal government of Juárez, by refusing to recognize the government of Maximilian and then by supplying arms to liberal forces, helped improve the U.S.–Mexican relationship.

At war's end numerous Confederates fled to exile in Mexico. Many eventually returned to the U.S.

The Porfiriato (1876–1910)

With general Porfirio Díaz's seizure of the presidency in 1876, relations between Mexico and foreign powers, including the United States changed. It became more welcoming to foreign investment in order to reap economic gain, but it would not relinquish its political sovereignty. Díaz's regime aimed to implement "order and progress," which reassured foreign investors that their enterprises could flourish. Díaz was a nationalist and a military hero who had fought ably against the French Intervention (1862–67). The U.S. had aided the liberal government of Benito Juárez by not recognizing the French invaders and the puppet emperor that Mexican conservatives invited to rule over them, and the U.S. had also provided arms to the liberals once its own civil war was over. But Díaz was wary of the "colossus of the north" and the phrase "Poor Mexico! So far from God, so close to the United States" (Pobre México: tan lejos de Dios y tan cerca de los Estados Unidos) is attributed to him.

Geronimo (Goyaałé), 1887, a Bedonkohe Apache, raided both sides of the U.S.-Mexico border

Díaz had ousted president Sebastián Lerdo de Tejada in the Revolution of Tuxtepec (1876). The U.S. did not recognize the Díaz government until 1878, when Rutherford B. Hayes was president. Given that France had invaded Mexico in 1862, Mexico did not initially restore diplomatic relations with it or other European powers, but did pursue a "special relationship" with the United States. One issue causing tension between Mexico and the U.S. were indigenous groups whose traditional territories straddled what was now an international boundary, most notably the Apache tribe. The Apache leader Geronimo became infamous for his raids on both sides of the border. Bandits operating in both countries also frequently crossed the border to raid Mexican and American settlements, taking advantage of mutual distrust and the differing legal codes of both nations. These threats eventually spurred increased cooperation between American and Mexican authorities, especially when concerning mounted cavalry forces. Tensions between the U.S. and Mexico remained high, but a combination of factors in the U.S. brought about recognition of the Díaz regime. These included the need to distract the U.S. electorate from the scandal of the 1876 election by focusing on the international conflict with Mexico as well as the desire of U.S. investors and their supporters in Congress to build a railway line between Mexico City and El Paso, Texas.

With the construction of the railway line linking Mexico and the United States, the border region developed from a sparsely populated frontier region into a vibrant economic zone. The construction of the railway and collaboration of the United States and Mexican armies effectively ended the Apache Wars in the late 1880s. The line between Mexico City and El Paso, Texas was inaugurated in 1884.

An ongoing issue in the border region was the exact boundary between Mexico and the U.S., particularly because the channel of the Rio Grande shifted at intervals. In 1889, the International Boundary and Water Commission was established, and still functions in the twenty-first century.

The Taft–Díaz summit

Taft and Porfirio Díaz, historic first presidential summit, Ciudad Juárez, Mexico, October 1909

In 1909, William Howard Taft and Porfirio Díaz planned a summit in El Paso, Texas, and Ciudad Juárez, Mexico, a historic first meeting between a U.S. and a Mexican president, the first time an American president would cross the border into Mexico, and only the second international trip by a sitting president. Diaz requested the meeting to show U.S. support for his planned eighth run as president, and Taft agreed to support Diaz in order to protect the several billion dollars of American capital then invested in Mexico. Both sides agreed that the disputed Chamizal strip connecting El Paso to Ciudad Juárez would be considered neutral territory with no flags present during the summit, but the meeting focused attention on this territory and resulted in assassination threats and other serious security concerns. The Texas Rangers, 4,000 U.S. and Mexican troops, U.S. Secret Service agents, BOI agents (later FBI) and U.S. marshals were all called in to provide security. An additional 250 private security detail led by Frederick Russell Burnham, the celebrated scout, was hired by John Hays Hammond, a close friend of Taft from Yale and a former candidate for U.S. vice president in 1908 who, along with his business partner Burnham, held considerable mining interests in Mexico. On October 16, the day of the summit, Burnham and Private C.R. Moore, a Texas Ranger, discovered a man holding a concealed palm pistol standing at the El Paso Chamber of Commerce building along the procession route. Burnham and Moore captured and disarmed the assassin within only a few feet of Taft and Díaz.

The Mexican Revolution

The United States had long recognized the government of Porfirio Díaz, once the U.S. recognized his government since he had first come to power by coup. As Díaz approached eighty years old, he gave an interview to a journalist working for a U.S. publication, saying he was not going to run in the scheduled 1910 elections. This set off a flurry of political activity in Mexico about presidential succession. For the U.S., it wanted the new president to continue Díaz's policies that had been favorable to U.S. business interests and produced stability domestically and internationally. Díaz reneged on his promise not to run, exiled the most viable candidate to continue his policies, General Bernardo Reyes and had the most popular opposition candidate, Francisco I. Madero jailed. After the November elections, political unrest in Mexico became open rebellion in Morelos and in northern Mexico. The Mexican Federal Army was unequal to the challenges of the insurgents. Díaz resigned and went into exile, an interim government was installed, and new elections were held in October 1911. These were won by Madero. Initially, the U.S. was optimistic about Madero. He had disbanded the rebel forces that had forced Díaz to resign; retain the Federal Army; and appeared to be open to policies favorable to the U.S., so that the U.S. supported the transition. The U.S. began to sour on the relationship with Madero and began actively working with opponents to the regime Wilson, who took office shortly after Madero's assassination in 1913, rejected the legitimacy of Huerta's "government of butchers" and demanded that Mexico hold democratic elections. After U.S. navy personnel were arrested in the port of Tampico by Huerta's soldiers, the U.S. seized Veracruz, resulting in the death of 170 Mexican soldiers and an unknown number of Mexican civilians.

Uncle Sam saying "I've had about enough of this" as a small and barefoot Pancho Villa, gun in hand, runs away. In 1916 Wilson sent an unsuccessful punitive expedition to capture Villa after he murdered Americans in his raid on Columbus, New Mexico

Wilson sent a punitive expedition led by General John J. Pershing deep into Mexico; it deprived the rebels of supplies but failed to capture Villa.

Meanwhile, Germany was trying to divert American attention from Europe by sparking a war. It sent Mexico the Zimmermann Telegram in January 1917, offering a military alliance to reclaim New Mexico, California, Nevada, Arizona and Texas, land the United States had forcibly taken via conquest in the Mexican–American War. British intelligence intercepted the message, passing it on the U.S. government. Wilson released it to the press, escalating demands for American entry into the European War. The Mexican government rejected the proposal after its military warned of massive defeat if they attempted to follow through with the plan. Mexico stayed neutral; selling large amounts of oil to Britain for her fleet.

1920–1940

Former U.S President William Howard Taft with Mexican President Plutarco Elias Calles and U.S President Calvin Coolidge

Following the end of the military phase of the Mexican Revolution, there were claims by Americans and Mexicans for damage during the decade-long civil war. The American-Mexican Claims Commission was set up to resolve them during the presidency of revolutionary general Alvaro Obregón and U.S president Calvin Coolidge. Obregón was eager to resolve issues with the U.S., including petroleum, in order to secure diplomatic recognition from the U.S. Negotiations over oil resulted in the Bucareli Treaty in 1923.

Dwight Morrow, U.S. ambassador to Mexico, who helped mediate the end of the Cristero War

When revolutionary general Plutarco Elías Calles succeeded Obregón in 1924, he repudiated the Bucareli Treaty. Relations between the Calles government and the U.S. deteriorated further. In 1926, Calles implemented articles of the Mexican Constitution of 1917 that gave the state the power to suppress the role of the Roman Catholic Church in Mexico. A major civil uprising broke out, known as the Cristero War. The turmoil in Mexico prompted the U.S. government to replace its ambassador, appointing a Wall Street banker, Dwight W. Morrow to the post. Morrow played a key role in brokering an agreement between the Roman Catholic hierarchy and the Mexican government which ended the conflict in 1929. Morrow created a great deal of good will in Mexico by replacing the sign at the embassy to read "Embassy of the United States of America" rather than "American Embassy." He also commissioned Diego Rivera to paint murals at the palace of Hernán Cortés in Cuernavaca, Morelos, that depicted Mexican history.

During the presidency of revolutionary general Lázaro Cárdenas del Río, the controversy over petroleum again flared. Standard Oil had major investments in Mexico and a dispute between the oil workers and the company was to be resolved via the Mexican court system. The dispute, however, escalated, and on March 18, 1938, President Cárdenas used constitutional powers to expropriate foreign oil interests in Mexico and created the government-owned Petroleos Mexicanos or PEMEX. Although the United States has had a long history of interventions in Latin America, the expropriation did not result in that. U.S. President Franklin D. Roosevelt was implementing the Good Neighbor Policy, in which the U.S. eschewed the role of intervention and courted better relations with the region, which would be vital if another major conflict broke out in Europe. However, with the Great Depression, the United States implemented a program of expelling Mexicans from the U.S. in what was known as Mexican Repatriation.

U.S. President Franklin D. Roosevelt having dinner with Mexican President Manuel Ávila Camacho in Monterrey, Mexico

Under President Cárdenas, Mexico in 1934-40 expropriated three million acres of agricultural land owned by 300 Americans. Its worth was a matter of debate: between $19 million and $102 million, but nothing was paid. Roosevelt settled the matter in 1938 quietly. He refused to aggressively intervene in Mexican agrarian disputes in order not to disrupt trade. He was sympathetic to Mexican president Cárdenas's agrarian reform program, as was ambassador Josephus Daniels. On the other hand, Secretary of State Cordell Hull was antagonistic.

World War II

Bracero Program workers arriving in Los Angeles, CA, 1942.

When the U.S. did enter World War II, it negotiated an agreement with Mexican President Manuel Avila Camacho to be allies in the conflict against the Axis powers. The U.S. bought Mexican metals, especially copper and silver, but also importantly implemented a labor agreement with Mexico, known as the Bracero Program. Mexican agricultural workers were brought under contract to the U.S. to do mainly agricultural labor as well as harvesting timber in the northwest. The program continued in effect until 1964 when organized labor in the U.S. pushed for ending it. In 1940 Roosevelt appointed Nelson Rockefeller to head the new, well-funded Office of the Coordinator of Inter-American Affairs. Anti-fascist propaganda was a major project across Latin America, and was run by Rockefeller's office. It spent millions on radio broadcasts and motion pictures, hoping to reach a large audience. In addition to propaganda, large sums were allocated for economic support and development. Madison Avenue techniques generated a push back in Mexico, especially where well-informed locals resisted heavy-handed American influence. Mexico was a valuable ally in the war; many of the long-standing disputes about oil were resolved and relations were the warmest in history. The usually strident anti-American voices on the far Left were quiet because the U.S. and USSR were allies. After years of debate, Mexico sent a small air unit into the war in the Pacific. An arrangement was made whereby 250,000 Mexican citizens living in the United States served in the American forces; over 1000 were killed in combat.

Since 1945

Miguel Alemán Valdés, president of Mexico (left) and Harry S. Truman, president of the United States (right) in Washington, D.C.
 
U.S. President Lyndon B. Johnson (left) and Mexican President Adolfo López Mateos (right) unveil the new boundary marker signaling the peaceful end of the Chamizal dispute
 
President Ronald Reagan attending the North–South Summit in Cancun along with his Mexican counterpart President José López Portillo, 1981

The alliance between Mexico and the U.S. during World War II brought the two countries into a far more harmonious relationship with one another. Mexican President Manuel Avila Camacho met in person with both Franklin D. Roosevelt and Harry S. Truman, helping to cement ties with the U.S. Avila Camacho was not a leader in the Mexican Revolution himself, and held opinions that were pro-business and pro-religious that were more congenial to the U.S. while he maintained revolutionary rhetoric. During Avila Camacho's visit with Truman near the centenary of the Mexican–American War, Truman returned some of the Mexican banners captured by the United States in the conflict and praised the military cadets who died defending Mexico City during the invasion.

For bilateral relations between the U.S. and Mexico, the end of World War II meant decreased U.S. demand for Mexican labor via the guest-worker Bracero Program and for Mexican raw materials to fuel a major war. For Mexican laborers and Mexican exporters, there were fewer economic opportunities. However, while at the same time the government's coffers were full and aided post-war industrialization. In 1946, the dominant political party changed its name to the Institutional Revolutionary Party, and while maintaining revolutionary rhetoric, in fact embarked on industrialization that straddled the line between nationalist and pro-business policies. Mexico supported U.S. policies in the Cold War and did not challenge U.S. intervention in Guatemala that ousted leftist president Jacobo Arbenz.

Boundary issues and the border region

Under Mexican president Adolfo López Mateos, the U.S. and Mexico concluded a treaty on January 14, 1964, to resolve the Chamizal dispute over the boundary between the two countries, with the U.S. ceding the disputed territory. The Boundary Treaty of 1970 resolved further issues between the two countries.

Since then, jurisdictional issues regarding water rights in the Rio Grande Valley have continued to cause tension between farmers on both sides of the border, according to Mexican political scientist Armand Peschard-Sverdrup.

North American Free Trade Agreement (1994–present)

President Enrique Peña Nieto, President Donald Trump, and Prime Minister Justin Trudeau sign the agreement during the G20 summit in Buenos Aires, Argentina, on November 30, 2018.

Mexico, United States and Canada signed the North American Free Trade Agreement (NAFTA) in 1994 with the goal of eliminating barriers to trade and investment.

Since then, the United States and Mexico have tightened their economic ties. The US is Mexico's largest trading partner, accounting for close to half of all exports in 2008 and more than half of all imports in 2009. For the US, Mexico is the third largest trading partner after Canada and China as of June 2010. In 2017, two-way trade between both nations amounted to US$521.5 billion.

Illegal immigration from Mexico

The U.S.–Mexico border fence near El Paso, Texas

In 2017, 47% of illegal immigrants in the United States originate from Mexico. The United States has built a barrier on much of its border with Mexico.

In recent years, the majority crossing from Mexico into the United States have been from Central America.

Illegal trade of weapons

Weapons recovered by Mexican military in Naco, Sonora, Mexico on November 20, 2009. They include weapons bought two weeks earlier by Operation Fast and Furious suspect.

The US is the largest source of illicit traffic of weapons to Mexico. Many of the traceable weapons come from American weapons markets and festivals that do not have regulations for the buyers, and there is a geographic coincidence between the supposed American origin of the firearms and the places where these weapons are seized: mainly in the Northern Mexican states. Firearms that make their way to Mexico come from the American civilian market. However grenades are also smuggled from the US to Mexico. In an effort to control smuggling of firearms, the U.S. government is assisting Mexico with technology, equipment and training. Project Gunrunner was one such efforts between the U.S. and Mexico to collaborate in tracing Mexican guns which were manufactured in or imported legally to the U.S.

In 2015, Official reports of the U.S. government and the Bureau of Alcohol, Tobacco, Firearms and explosives (ATF) revealed that Mexican cartels improved their firearm power over that last years, and that 70% of their weapons come from the U.S.

ATF gunwalking scandal

The American ATF's Project Gunrunner has as its stated purpose the stoppage of the selling and exportation of guns from the United States into Mexico, with the goal of denying Mexican drug cartels the firearms considered "tools of the trade". However, in February 2011, it brought about a scandal when the project was accused of accomplishing the opposite by ATF permitting and facilitating "straw purchase" firearm sales to traffickers, and allowing the guns to "walk" and be transported to Mexico. Several of the guns sold under the Project Gunrunner were recovered from crime scenes in Arizona, and at crime scenes throughout Mexico, resulting in considerable controversy.

One notable incident was the "Black Swan operation" where Joaquín Guzmán Loera was finally captured. The ATF confirmed that one of the weapons the Mexican Navy seized from Guzman's gunmen was one of the many weapons that were "lost" during Project Gunrunner. Many weapons from Project Gunrunner were found in a secret compartment from the "safe house" of José Antonio Marrufo "El Jaguar", one of Guzman's most sanguinary lieutenants. He is accused of many killings in Ciudad Juarez, including the notorious massacre of 18 patients of the rehabilitation center "El Aliviane". It is believed that Marrufo armed his gunmen with weapons purchased in the United States.

Trump administration

Peña Nieto meets with Donald Trump at the G20 Hamburg summit, July 2017.

Donald Trump won the 2016 U.S. presidential election partly with campaign promises of building a border wall with Mexico (the 'Trump Wall'). After Trump signed an executive order in January 2017, mandating construction of the wall, Mexican President Enrique Peña Nieto cancelled a scheduled visit to the U.S. Trump said that Mexico would pay for the construction of the wall, but did not explain how; Mexico has in turn rejected the idea of any Mexican funding.

Peña Nieto listed ten goals he would seek in NAFTA negotiations, notably safeguarding the free flow of remittances, which amount to about $25 billion per year. In August 2018, Mexico and the United States reached a bilateral agreement on a revamped NAFTA trade deal, including provisions to boost automobile production in the U.S.

President Trump and Mexican President Andrés Manuel López Obrador, July 2020

On December 1, 2018, Mexico inaugurated President Andrés Manuel López Obrador (known as AMLO) as president.

In June 2019, a promise of a stricter Mexican asylum program and security tightening to slow the traffic of illegal immigrants into the US averted a possible tariff war between the two countries. The US had threatened a 5% import tariff on all Mexican goods.

In April 2020, Mexico closed a plant run by an American company for refusing to sell ventilators to Mexican hospitals during the COVID-19 pandemic. The firm had operated its plant under the argument it provided an “essential” service, when most non-essential plants were closed. Baja California Governor Jaime Bonilla Valdez ordered the factory closed, because it was providing no essential service to Mexicans. He said the company contacted Mexico's Foreign Relations Secretary and the American ambassador to prevent the closure order but that he did not cave in to pressure.

On July 7, 2020, President Lopez Obrador visited Washington, D.C. and met with Trump following the signing the United States–Mexico–Canada Agreement trade deal.

In late 2020, multiple human rights groups joined a whistleblower to accuse a private-owned U.S. immigration detention center in Georgia of forcible sterilization of women. The reports claimed a doctor conducted unauthorized medical procedures on women detained by the U.S. Immigration and Customs Enforcement (ICE). Some international organizations have characterized this forced sterilization as genocide. In September 2020, Mexico demanded more information from US authorities on procedures performed on migrants in these facilities, after allegations that six Mexican women were sterilized without their consent. Another women said she had undergone a gynecological operation, although there was nothing in her detention file to support she agreed to the procedure.

In October 2020, retired Secretary of National Defense Salvador Cienfuegos was arrested by U.S. officials at Los Angeles International Airport on alleged drug and money-laundering charges. General Cienfuegos's arrest infuriated President Obrador, who was particularly riled that Mexican officials had not been informed about the investigation into the general. Cienfuegos was cleared of all charges on 14 January 2021, and Obrador said the accusations against him was politically motivated. The U.S. Justice Department threatened to restart prosecution if Mexico didn't prosecute him.

Biden administration

U.S. President Biden and Mexican President Andrés Manuel López Obrador, November 2021

In March, the Biden administration confirmed it would not be sharing its COVID-19 vaccines with Mexico, according to White House press secretary Jen Psaki ahead of Biden's first bilateral meeting with Mexican President Andrés Manuel López Obrador. “The president has made clear that he is focused on ensuring vaccines are accessible to every American.” When Biden took office, Mexico had sought more cooperation with the US to increase Mexico's access to COVID-19 vaccine supplies.

In May, US regulators banned Mexican airlines from expanding new service or routes in the country. The FAA claimed there were "several areas" where the country did not meet aviation standards. President Obrador stated, "We have been complying with all the requirements. We feel that this decision should not be carried out." further stating the move appeared to help US airlines. "They are the ones who benefit and the national airlines could be harmed." As Mexico's airlines focused on domestic flights, the US ban was expected to have less impact.

In July 2021, President Lopez Obrador blamed the US embargo against Cuba for contributing to the unrest in Cuba. The foreign ministry sent two navy ships with food and medical supplies to assist Cuba.

In September 2021, Mexico sued US-based gunmakers for trafficking guns into the country. The lawsuit stated guns from America are more likely to kill Mexican citizens than American citizens. US laws however protect gun makers from civil liability and prevents victims from suing manufacturers.

Gallery

Thursday, March 10, 2022

Logistics

From Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/Logistics

Logistics is generally the detailed organization and implementation of a complex operation. In a general business sense, logistics is the management of the flow of things between the point of origin and the point of consumption to meet the requirements of customers or corporations. The resources managed in logistics may include tangible goods such as materials, equipment, and supplies, as well as food and other consumable items.

In military science, logistics is concerned with maintaining army supply lines while disrupting those of the enemy, since an armed force without resources and transportation is defenseless. Military logistics was already practiced in the ancient world and as the modern military has a significant need for logistics solutions, advanced implementations have been developed. In military logistics, logistics officers manage how and when to move resources to the places they are needed.

Logistics management is the part of supply chain management and supply chain engineering that plans, implements, and controls the efficient, effective forward, and reverse flow and storage of goods, services, and related information between the point of origin and point of consumption to meet customers' requirements. The complexity of logistics can be modeled, analyzed, visualized, and optimized by dedicated simulation software. The minimization of the use of resources is a common motivation in all logistics fields. A professional working in the field of logistics management is called a logistician.

A warehouse implementing a pallet rack storage system
 
Logistics Specialist inventories supplies in a storeroom aboard the aircraft carrier USS George H.W. Bush

Nomenclature

The term logistics is attested in English from 1846, and is from French: logistique, where it was either coined or popularized by military officer and writer Antoine-Henri Jomini, who defined it in his Summary of the Art of War (Précis de l'Art de la Guerre). The term appears in the 1830 edition, then titled Analytic Table (Tableau Analytique), and Jomini explains that it is derived from French: logis, lit.'lodgings' (cognate to English lodge), in the terms French: maréchal des logis, lit.'marshall of lodgings' and French: major-général des logis, lit.'major-general of lodging':

Autrefois les officiers de l’état-major se nommaient: maréchal des logis, major-général des logis; de là est venu le terme de logistique, qu’on emploie pour désigner ce qui se rapporte aux marches d’une armée.

Formerly the officers of the general staff were named: marshall of lodgings, major-general of lodgings; from there came the term of logistics [logistique], which we employ to designate those who are in charge of the functioning of an army.

The term is credited to Jomini, and the term and its etymology criticized by Georges de Chambray in 1832, writing:

Logistique: Ce mot me paraît être tout-à-fait nouveau, car je ne l'avais encore vu nulle part dans la littérature militaire. … il paraît le faire dériver du mot logis, étymologie singulière …

Logistic: This word appears to me to be completely new, as I have not yet seen it anywhere in military literature. … he appears to derive it from the word lodgings [logis], a peculiar etymology …

Chambray also notes that the term logistique was present in the Dictionnaire de l'Académie française as a synonym for algebra.

The French word: logistique is a homonym of the existing mathematical term, from Ancient Greek: λογῐστῐκός, romanizedlogistikós, a traditional division of Greek mathematics; the mathematical term is presumably the origin of the term logistic in logistic growth and related terms. Some sources give this instead as the source of logistics, either ignorant of Jomini's statement that it was derived from logis, or dubious and instead believing it was in fact of Greek origin, or influenced by the existing term of Greek origin.

Definition

Jomini originally defined logistics as:

... l'art de bien ordonner les marches d'une armée, de bien combiner l'ordre des troupes dans les colonnes, les tems [temps] de leur départ, leur itinéraire, les moyens de communications nécessaires pour assurer leur arrivée à point nommé ...

... the art of well-ordering the functionings of an army, of well combining the order of troops in columns, the times of their departure, their itinerary, the means of communication necessary to assure their arrival at a named point ...

The Oxford English Dictionary defines logistics as "the branch of military science relating to procuring, maintaining and transporting material, personnel and facilities". However, the New Oxford American Dictionary defines logistics as "the detailed coordination of a complex operation involving many people, facilities, or supplies", and the Oxford Dictionary on-line defines it as "the detailed organization and implementation of a complex operation". As such, logistics is commonly seen as a branch of engineering that creates "people systems" rather than "machine systems".

According to the Council of Supply Chain Management Professionals (previously the Council of Logistics Management), logistics is the process of planning, implementing and controlling procedures for the efficient and effective transportation and storage of goods including services and related information from the point of origin to the point of consumption for the purpose of conforming to customer requirements and includes inbound, outbound, internal and external movements.

Academics and practitioners traditionally refer to the terms operations or production management when referring to physical transformations taking place in a single business location (factory, restaurant or even bank clerking) and reserve the term logistics for activities related to distribution, that is, moving products on the territory. Managing a distribution center is seen, therefore, as pertaining to the realm of logistics since, while in theory, the products made by a factory are ready for consumption they still need to be moved along the distribution network according to some logic, and the distribution center aggregates and processes orders coming from different areas of the territory. That being said, from a modeling perspective, there are similarities between operations management and logistics, and companies sometimes use hybrid professionals, with for example a "Director of Operations" or a "Logistics Officer" working on similar problems. Furthermore, the term "supply chain management" originally referred to, among other issues, having an integrated vision of both production and logistics from point of origin to point of production. All these terms may suffer from semantic change as a side effect of advertising.

Logistics activities and fields

Inbound logistics is one of the primary processes of logistics concentrating on purchasing and arranging the inbound movement of materials, parts, or unfinished inventory from suppliers to manufacturing or assembly plants, warehouses, or retail stores.

Outbound logistics is the process related to the storage and movement of the final product and the related information flows from the end of the production line to the end user.

Given the services performed by logisticians, the main fields of logistics can be broken down as follows:

  • Procurement logistics
  • Distribution logistics
  • After-sales logistics
  • Disposal logistics
  • Reverse logistics
  • Green logistics
  • Global logistics
  • Domestics logistics
  • Concierge service
  • Reliability, availability, and maintainability
  • Asset control logistics
  • Point-of-sale material logistics
  • Emergency logistics
  • Production logistics
  • Construction logistics
  • Capital project logistics
  • Digital logistics
  • Humanitarian logistics
Loading of a thermal oxidizer at the point of origin en route to a manufacturing plant

Procurement logistics consists of activities such as market research, requirements planning, make-or-buy decisions, supplier management, ordering, and order controlling. The targets in procurement logistics might be contradictory: maximizing efficiency by concentrating on core competences, outsourcing while maintaining the autonomy of the company, or minimizing procurement costs while maximizing security within the supply process.

Advance Logistics consists of the activities required to set up or establish a plan for logistics activities to occur.

Global Logistics is technically the process of managing the "flow" of goods through what is called a supply chain, from its place of production to other parts of the world. This often requires an intermodal transport system, transport via ocean, air, rail, and truck. The effectiveness of global logistics is measured in the Logistics Performance Index.

Distribution logistics has, as main tasks, the delivery of the finished products to the customer. It consists of order processing, warehousing, and transportation. Distribution logistics is necessary because the time, place, and quantity of production differ with the time, place, and quantity of consumption.

Disposal logistics has as its main function to reduce logistics cost(s) and enhance service(s) related to the disposal of waste produced during the operation of a business.

Reverse logistics denotes all those operations related to the reuse of products and materials. The reverse logistics process includes the management and the sale of surpluses, as well as products being returned to vendors from buyers. Reverse logistics stands for all operations related to the reuse of products and materials. It is "the process of planning, implementing, and controlling the efficient, cost-effective flow of raw materials, in-process inventory, finished goods and related information from the point of consumption to the point of origin for the purpose of recapturing value or proper disposal. More precisely, reverse logistics is the process of moving goods from their typical final destination for the purpose of capturing value, or proper disposal. The opposite of reverse logistics is forward logistics."

Green Logistics describes all attempts to measure and minimize the ecological impact of logistics activities. This includes all activities of the forward and reverse flows. This can be achieved through intermodal freight transport, path optimization, vehicle saturation and city logistics.

RAM Logistics (see also Logistic engineering) combines both business logistics and military logistics since it is concerned with highly complicated technological systems for which Reliability, Availability and Maintainability are essential, ex: weapon systems and military supercomputers.

Asset Control Logistics: companies in the retail channels, both organized retailers and suppliers, often deploy assets required for the display, preservation, promotion of their products. Some examples are refrigerators, stands, display monitors, seasonal equipment, poster stands & frames.

A forklift truck loads a pallet of humanitarian aid to Pakistan on board a C-17 aircraft, following devastating floods in the country in 2010.
 
The Logistics Centre of the Finnish Red Cross in Tampere, Finland

Emergency logistics (or Humanitarian Logistics) is a term used by the logistics, supply chain, and manufacturing industries to denote specific time-critical modes of transport used to move goods or objects rapidly in the event of an emergency. The reason for enlisting emergency logistics services could be a production delay or anticipated production delay, or an urgent need for specialized equipment to prevent events such as aircraft being grounded (also known as "aircraft on ground"—AOG), ships being delayed, or telecommunications failure. Humanitarian logistics involves governments, the military, aid agencies, donors, non-governmental organizations and emergency logistics services are typically sourced from a specialist provider.

The term production logistics describes logistic processes within a value-adding system (ex: factory or a mine). Production logistics aims to ensure that each machine and workstation receives the right product in the right quantity and quality at the right time. The concern is with production, testing, transportation, storage, and supply. Production logistics can operate in existing as well as new plants: since manufacturing in an existing plant is a constantly changing process, machines are exchanged and new ones added, which gives the opportunity to improve the production logistics system accordingly. Production logistics provides the means to achieve customer response and capital efficiency. Production logistics becomes more important with decreasing batch sizes. In many industries (e.g. mobile phones), the short-term goal is a batch size of one, allowing even a single customer's demand to be fulfilled efficiently. Track and tracing, which is an essential part of production logistics due to product safety and reliability issues, is also gaining importance, especially in the automotive and medical industries.

Construction Logistics has been employed by civilizations for thousands of years. As the various human civilizations tried to build the best possible works of construction for living and protection. Now construction logistics has emerged as a vital part of construction. In the past few years, construction logistics has emerged as a different field of knowledge and study within the subject of supply chain management and logistics.

Military logistics

Punjab Regiment uses mules for carrying cargo in Burma during WWII. Animals have been used for logistic purposes by different people throughout history; the Roman army in particular preferred mules over donkeys for their moving capacity.

In military science, maintaining one's supply lines while disrupting those of the enemy is a crucial—some would say the most crucial—element of military strategy, since an armed force without resources and transportation is defenseless. The historical leaders Hannibal, Alexander the Great, and the Duke of Wellington are considered to have been logistical geniuses: Alexander's expedition benefited considerably from his meticulous attention to the provisioning of his army, Hannibal is credited to have "taught logistics" to the Romans during the Punic Wars and the success of the Anglo-Portuguese army in the Peninsula War was due to the effectiveness of Wellington's supply system, despite the numerical disadvantage. The defeat of the British in the American War of Independence and the defeat of the Axis in the African theater of World War II are attributed by some scholars to logistical failures.

Militaries have a significant need for logistics solutions and so have developed advanced implementations. Integrated Logistics Support (ILS) is a discipline used in military industries to ensure an easily supportable system with a robust customer service (logistic) concept at the lowest cost and in line with (often high) reliability, availability, maintainability, and other requirements, as defined for the project.

In military logistics, Logistics Officers manage how and when to move resources to the places they are needed.

Supply chain management in military logistics often deals with a number of variables in predicting cost, deterioration, consumption, and future demand. The United States Armed Forces' categorical supply classification was developed in such a way that categories of supply with similar consumption variables are grouped together for planning purposes. For instance, peacetime consumption of ammunition and fuel will be considerably lower than wartime consumption of these items, whereas other classes of supply such as subsistence and clothing have a relatively consistent consumption rate regardless of war or peace.

Some classes of supply have a linear demand relationship: as more troops are added, more supply items are needed; or as more equipment is used, more fuel and ammunition are consumed. Other classes of supply must consider a third variable besides usage and quantity: time. As equipment ages, more and more repair parts are needed over time, even when usage and quantity stay consistent. By recording and analyzing these trends over time and applying them to future scenarios, the US Armed Forces can accurately supply troops with the items necessary at the precise moment they are needed. History has shown that good logistical planning creates a lean and efficient fighting force. The lack thereof can lead to a clunky, slow, and ill-equipped force with too much or too little supply.

Business logistics

A forklift stacking a logistics provider's warehouse of goods on pallets

One definition of business logistics speaks of "having the right item in the right quantity at the right time at the right place for the right price in the right condition to the right customer". Business logistics incorporates all industry sectors and aims to manage the fruition of project life cycles, supply chains, and resultant efficiencies.

The term "business logistics" has evolved since the 1960s due to the increasing complexity of supplying businesses with materials and shipping out products in an increasingly globalized supply chain, leading to a call for professionals called "supply chain logisticians".

In business, logistics may have either an internal focus (inbound logistics) or an external focus (outbound logistics), covering the flow and storage of materials from point of origin to point of consumption (see supply-chain management). The main functions of a qualified logistician include inventory management, purchasing, transportation, warehousing, consultation, and the organizing and planning of these activities. Logisticians combine professional knowledge of each of these functions to coordinate resources in an organization.

There are two fundamentally different forms of logistics: One optimizes a steady flow of material through a network of transport links and storage nodes, while the other coordinates a sequence of resources to carry out some project (e.g., restructuring a warehouse).

Nodes of a distribution network

The nodes of a distribution network include:

  • Factories where products are manufactured or assembled
  • A depot or deposit, a standard type of warehouse for storing merchandise (high level of inventory)
  • Distribution centers for order processing and order fulfillment (lower level of inventory) and also for receiving returning items from clients. Typically, distribution centers are way stations for products to be disbursed further down the supply chain. They usually do not ship inventory directly to customers, whereas fulfillment centers do.
  • Transit points for cross docking activities, which consist of reassembling cargo units based on deliveries scheduled (only moving merchandise)
  • Traditional “mom-and-pop” retail stores, modern supermarkets, hypermarkets, discount stores or also voluntary chains, consumers' co-operative, groups of consumer with collective buying power. Note that subsidiaries will be mostly owned by another company and franchisers, although using other company brands, actually own the point of sale.

There may be some intermediaries operating for representative matters between nodes such as sales agents or brokers.

Logistic families and metrics

A logistic family is a set of products that share a common characteristic: weight and volumetric characteristics, physical storing needs (temperature, radiation,...), handling needs, order frequency, package size, etc. The following metrics may be used by the company to organize its products in different families:

  • Physical metrics used to evaluate inventory systems include stocking capacity, selectivity, superficial use, volumetric use, transport capacity, transport capacity use.
  • Monetary metrics used include space holding costs (building, shelving, and services) and handling costs (people, handling machinery, energy, and maintenance).

Other metrics may present themselves in both physical or monetary form, such as the standard Inventory turnover.

Handling and order processing

Unit loads for transportation of luggage at the airport. In this case, the unit load has a protective function.

Unit loads are combinations of individual items which are moved by handling systems, usually employing a pallet of normed dimensions.

Handling systems include: trans-pallet handlers, counterweight handler, retractable mast handler, bilateral handlers, trilateral handlers, AGV and other handlers.

Storage systems include: pile stocking, cell racks (either static or movable), cantilever racks and gravity racks.

Order processing is a sequential process involving: processing withdrawal list, picking (selective removal of items from loading units), sorting (assembling items based on the destination), package formation (weighting, labeling, and packing), order consolidation (gathering packages into loading units for transportation, control and bill of lading).

Picking can be both manual or automated. Manual picking can be both man to goods, i.e. operator using a cart or conveyor belt, or goods to man, i.e. the operator benefiting from the presence of a mini-load ASRS, vertical or horizontal carousel or from an Automatic Vertical Storage System (AVSS). Automatic picking is done either with dispensers or depalletizing robots.

Sorting can be done manually through carts or conveyor belts, or automatically through sorters.

Transportation

Cargo, i.e. merchandise being transported, can be moved through a variety of transportation means and is organized in different shipment categories. Unit loads are usually assembled into higher standardized units such as: ISO containers, swap bodies or semi-trailers. Especially for very long distances, product transportation will likely benefit from using different transportation means: multimodal transport, intermodal transport (no handling) and combined transport (minimal road transport). When moving cargo, typical constraints are maximum weight and volume.

Operators involved in transportation include: all train, road vehicles, boats, airplanes companies, couriers, freight forwarders and multi-modal transport operators.

Merchandise being transported internationally is usually subject to the Incoterms standards issued by the International Chamber of Commerce.

Configuration and management

Push-back rack for motorcycles, a LIFO rack system for storage

Similarly to production systems, logistic systems need to be properly configured and managed. Actually a number of methodologies have been directly borrowed from operations management such as using Economic Order Quantity models for managing inventory in the nodes of the network. Distribution resource planning (DRP) is similar to MRP, except that it doesn't concern activities inside the nodes of the network but planning distribution when moving goods through the links of the network.

Traditionally in logistics configuration may be at the level of the warehouse (node) or at level of the distribution system (network).

Regarding a single warehouse, besides the issue of designing and building the warehouse, configuration means solving a number of interrelated technical-economic problems: dimensioning rack cells, choosing a palletizing method (manual or through robots), rack dimensioning and design, number of racks, number and typology of retrieval systems (e.g. stacker cranes). Some important constraints have to be satisfied: fork and load beams resistance to bending and proper placement of sprinklers. Although picking is more of a tactical planning decision than a configuration problem, it is important to take it into account when deciding the layout of the racks inside the warehouse and buying tools such as handlers and motorized carts since once those decisions are taken they will work as constraints when managing the warehouse, the same reasoning for sorting when designing the conveyor system or installing automatic dispensers.

Configuration at the level of the distribution system concerns primarily the problem of location of the nodes in geographic space and distribution of capacity among the nodes. The first may be referred to as facility location (with the special case of site selection) while the latter to as capacity allocation. The problem of outsourcing typically arises at this level: the nodes of a supply chain are very rarely owned by a single enterprise. Distribution networks can be characterized by numbers of levels, namely the number of intermediary nodes between supplier and consumer:

  • Direct store delivery, i.e. zero levels
  • One level network: central warehouse
  • Two level network: central and peripheral warehouses

This distinction is more useful for modeling purposes, but it relates also to a tactical decision regarding safety stocks: considering a two-level network, if safety inventory is kept only in peripheral warehouses then it is called a dependent system (from suppliers), if safety inventory is distributed among central and peripheral warehouses it is called an independent system (from suppliers). Transportation from producer to the second level is called primary transportation, from the second level to a consumer is called secondary transportation.

Although configuring a distribution network from zero is possible, logisticians usually have to deal with restructuring existing networks due to presence of an array of factors: changing demand, product or process innovation, opportunities for outsourcing, change of government policy toward trade barriers, innovation in transportation means (both vehicles or thoroughfares), the introduction of regulations (notably those regarding pollution) and availability of ICT supporting systems (e.g. ERP or e-commerce).

Once a logistic system is configured, management, meaning tactical decisions, takes place, once again, at the level of the warehouse and of the distribution network. Decisions have to be made under a set of constraints: internal, such as using the available infrastructure, or external, such as complying with the given product shelf lifes and expiration dates.

At the warehouse level, the logistician must decide how to distribute merchandise over the racks. Three basic situations are traditionally considered: shared storage, dedicated storage (rack space reserved for specific merchandise) and class-based storage (class meaning merchandise organized in different areas according to their access index).

Airline logistic network. Denver works as a hub in the network.

Picking efficiency varies greatly depending on the situation. For a man to goods situation, a distinction is carried out between high-level picking (vertical component significant) and low-level picking (vertical component insignificant). A number of tactical decisions regarding picking must be made:

  • Routing path: standard alternatives include transversal routing, return routing, midpoint routing, and largest gap return routing
  • Replenishment method: standard alternatives include equal space supply for each product class and equal time supply for each product class.
  • Picking logic: order picking vs batch picking

At the level of the distribution network, tactical decisions involve mainly inventory control and delivery path optimization. Note that the logistician may be required to manage the reverse flow along with the forward flow.

Warehouse management system and control

Although there is some overlap in functionality, warehouse management systems (WMS) can differ significantly from warehouse control systems (WCS). Simply put, a WMS plans a weekly activity forecast based on such factors as statistics and trends, whereas a WCS acts like a floor supervisor, working in real-time to get the job done by the most effective means. For instance, a WMS can tell the system that it is going to need five of stock-keeping unit (SKU) A and five of SKU B hours in advance, but by the time it acts, other considerations may have come into play or there could be a logjam on a conveyor. A WCS can prevent that problem by working in real-time and adapting to the situation by making a last-minute decision based on current activity and operational status. Working synergistically, WMS and WCS can resolve these issues and maximize efficiency for companies that rely on the effective operation of their warehouse or distribution center.

Logistics outsourcing

Logistics outsourcing involves a relationship between a company and an LSP (logistic service provider), which, compared with basic logistics services, has more customized offerings, encompasses a broad number of service activities, is characterized by a long-term orientation, and thus has a strategic nature.

Outsourcing does not have to be complete externalization to an LSP, but can also be partial:

  • A single contract for supplying a specific service on occasion
  • Creation of a spin-off
  • Creation of a joint venture

Third-party logistics (3PL) involves using external organizations to execute logistics activities that have traditionally been performed within an organization itself. According to this definition, third-party logistics includes any form of outsourcing of logistics activities previously performed in house. For example, if a company with its own warehousing facilities decides to employ external transportation, this would be an example of third-party logistics. Logistics is an emerging business area in many countries. External 3PL providers have evolved from merely providing logistics capabilities to becoming real orchestrators of supply chains that create and sustain a competitive advantage, thus bringing about new levels of logistics outsourcing.

The concept of a fourth-party logistics (4PL) provider was first defined by Andersen Consulting (now Accenture) as an integrator that assembles the resources, planning capabilities, and technology of its own organization and other organizations to design, build, and run comprehensive supply chain solutions. Whereas a third-party logistics (3PL) service provider targets a single function, a 4PL targets management of the entire process. Some have described a 4PL as a general contractor that manages other 3PLs, truckers, forwarders, custom house agents, and others, essentially taking responsibility of a complete process for the customer.

Horizontal alliances between logistics service providers

Horizontal business alliances often occur between logistics service providers, i.e., the cooperation between two or more logistics companies that are potentially competing. In a horizontal alliance, these partners can benefit twofold. On one hand, they can "access tangible resources which are directly exploitable". In this example extending common transportation networks, their warehouse infrastructure and the ability to provide more complex service packages can be achieved by combining resources. On the other hand, partners can "access intangible resources, which are not directly exploitable". This typically includes know-how and information and, in turn, innovation.

Logistics automation

Automated storage and retrieval system used by the U.S. military, also used by business in conjunction with manual picking.

Logistics automation is the application of computer software or automated machinery to improve the efficiency of logistics operations. Typically, this refers to operations within a warehouse or distribution center with broader tasks undertaken by supply chain engineering systems and enterprise resource planning systems.

Industrial machinery can typically identify products through either barcode or RFID technologies. Information in traditional bar codes is stored as a sequence of black and white bars varying in width, which when read by laser is translated into a digital sequence, which according to fixed rules can be converted into a decimal number or other data. Sometimes information in a bar code can be transmitted through radio frequency, more typically radio transmission is used in RFID tags. An RFID tag is a card containing a memory chip and an antenna that transmits signals to a reader. RFID may be found on merchandise, animals, vehicles, and people as well.

Logistics: profession and organizations

A logistician is a professional logistics practitioner. Professional logisticians are often certified by professional associations. One can either work in a pure logistics company, such as a shipping line, airport, or freight forwarder, or within the logistics department of a company. However, as mentioned above, logistics is a broad field, encompassing procurement, production, distribution, and disposal activities. Hence, career perspectives are broad as well. A new trend in the industry is the 4PL, or fourth-party logistics, firms, consulting companies offering logistics services.

Some universities and academic institutions train students as logisticians, offering undergraduate and postgraduate programs. A university with a primary focus on logistics is Kühne Logistics University in Hamburg, Germany. It is non-profit and supported by Kühne-Foundation of the logistics entrepreneur Klaus Michael Kühne.

The Chartered Institute of Logistics and Transport (CILT), established in the United Kingdom in 1919, received a Royal Charter in 1926. The Chartered Institute is one of the professional bodies or institutions for the logistics and transport sectors that offer professional qualifications or degrees in logistics management. CILT programs can be studied at centers around the UK, some of which also offer distance learning options. The institute also have overseas branches namely The Chartered Institute of Logistics & Transport Australia (CILTA) in Australia and Chartered Institute of Logistics and Transport in Hong Kong (CILTHK) in Hong Kong. In the UK, Logistics Management programs are conducted by many universities and professional bodies such as CILT. These programs are generally offered at the postgraduate level.

The Global Institute of Logistics established in New York in 2003 is a Think tank for the profession and is primarily concerned with intercontinental maritime logistics. It is particularly concerned with container logistics and the role of the seaport authority in the maritime logistics chain.

The International Association of Public Health Logisticians (IAPHL) is a professional network that promotes the professional development of supply chain managers and others working in the field of public health logistics and commodity security, with particular focus on developing countries. The association supports logisticians worldwide by providing a community of practice, where members can network, exchange ideas, and improve their professional skills.

Logistics museums

There are many museums in the world which cover various aspects of practical logistics. These include museums of transportation, customs, packing, and industry-based logistics. However, only the following museums are fully dedicated to logistics:

General logistics

Military logistics

Representation of a Lie group

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