Culture of the United States Marine Corps reminder to provide good order and discipline. The Marines' Hymn dates back to 1919 and is the oldest official song in the U.S. Armed Forces. It embraces some of the most important battles of the Corps at that time, including Chapultepec and Derna. Subtle changes and unofficial verses have been added as the history of the Corps grew. The official Marine Corps emblem is the Eagle, Globe, and Anchor, sometimes abbreviated "EGA". Adopted in its present form in 1868 by Commandant Jacob Zeilin, it derives partially from ornaments worn by the Continental Marines and the British Royal Marines, and is
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