United States Marine Corps A decade later, in the Mexican–American War (1846–1848), the Marines made their famed assault on Chapultepec Palace in Mexico City, which would be later celebrated as the "Halls of Montezuma" in the Marines' hymn. In the 1850s, the Marines would see further service in Panama and Asia, attached to Matthew Perry's East India Squadron on its historic trip to the Far East. The Marine Corps played a small role in the Civil War (1861–1865); their most prominent task was blockade duty. As more and more states seceded from the Union, about a third of the Corps' officers left the United
History of the United States Marine Corps high rates of courts-martial, non-judicial punishments, unauthorized absences, and outright desertions. The re-making of the Marine Corps began in the late 1970s when policies for discharging inadequate Marines were relaxed leading to the removal of the worst performing ones. Once the quality of new recruits started to improve, the Marines began reforming their NCO corps, an absolutely vital element in the functioning of the Marine Corps. After Vietnam, the Marine Corps resumed its expeditionary role. On 4 November 1979, Islamist students supporting the so-called Iranian Revolution stormed the Embassy of the United States in Tehran and took 53 hostages, including