United States Marine Corps off-base, except in transit to and from their place of duty and in the event of an emergency. As in any military organization, the official and unofficial traditions of the Marine Corps serve to reinforce camaraderie and set the service apart from others. The Corps' embrace of its rich culture and history is cited as a reason for its high "esprit de corps". The "Marines' Hymn" dates back to the 19th century and is the oldest official song in the United States armed forces. The Marine motto "Semper Fidelis" means "Always Faithful" in Latin, often appearing as "Semper Fi"; also
Sergeant Major of the Marine Corps The Sergeant Major of the Marine Corps is chosen by the Commandant of the Marine Corps to serve as his adviser and is the preeminent and highest ranking enlisted Marine with an order of precedence of a lieutenant general. Although not officially considered a Sergeant Major of the Marine Corps, when Archibald Sommers was appointed to the grade of Sergeant Major January 1, 1801, it was a solitary post, similar to the modern billet of Sergeant Major of the Marine Corps. In 1833, an act of legislation made the rank of sergeant major permanent for the Marine Corps and by