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
Sergeant Major of the Marine Corps 1899 five Marines held the rank of sergeant major. This continued until 1946, when the rank was abolished, only to be re-introduced in 1954 as part of the Marine Corps rank structure. The post of Sergeant Major of the Marine Corps was established in 1957 from the order of Assistant Chief of Staff for Personnel at Headquarters Marine Corps, Brigadier general James P. Berkeley, as the Senior Enlisted Advisor to the Commandant of the Marine Corps, the first such post in any of the five branches of the United States Armed Forces. In 1970, the rank insignia of the Sergeant