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
United States Marine Corps the name of the official march of the Corps, composed by John Philip Sousa. The mottos ""Fortitudine"" (With Fortitude); "By Sea and by Land", a translation of the Royal Marines' "Per Mare, Per Terram"; and "To the Shores of Tripoli" were used until 1868. The "Marine Corps emblem" is the Eagle, Globe, and Anchor, sometimes abbreviated "EGA", adopted in 1868. The Marine Corps seal includes the emblem, also is found on the flag of the United States Marine Corps, and establishes scarlet and gold as the official colors. Two styles of swords are worn by Marines: the officers' Mameluke Sword,