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
Badges of the United States Marine Corps to describe "identification badges" and "marksmanship badges", and the term "insignia" shall be used for other worn accoutrements, according to the language in Marine Corps Uniform Regulations. The modern-day United States Marine Corps currently maintains the following breast insignia and identification badges: As per Marine Corps Assignment, Classification and Travel Systems Manual (ACTS MANUAL) MCO P1000.6, Marines wear the appropriate breast insignia for qualification or designation in aviation, parachutist, explosive ordnance disposal, and diving. Authorized breast insignia are worn on the left breast of all service and dress coats. They may optionally be worn on khaki shirts when the shirt