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
Chaplain of the United States Marine Corps military." The current CHMC is Rear Admiral (lower half) Gregory N. Todd. He was sworn in on June 21, 2018. The Chief of Chaplains of the United States Navy advises the Commandant of the Marine Corps, the Chief of Naval Operations, and the Commandant of the Coast Guard "on all matters pertaining to religion within the Navy, United States Marine Corps, and United States Coast Guard"—but the Deputy Chief of Chaplains serves as Chaplain of the Marine Corps, "advising the CMC on religious ministry matters in reference to support, personnel, plans, programs, policies, and facilities within the USMC." Additionally, in