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
Culture of the United States Marine Corps National Museum of the Marine Corps at Quantico, Virginia. Additional Marine history can be found at the Flying Leatherneck Aviation Museum, the MCRD San Diego Command Museum, the Marine Corps Air-Ground Museum, the Marine Corps Legacy Museum, the Parris Island Museum, the WWII/Korea LVT Museum, and the Waterhouse Museum. Memorials also serve as a way to preserve history. One of the most iconic memorials is the Marine Corps War Memorial in Arlington National Cemetery, a statue recreated from the iconic photo "Raising the Flag on Iwo Jima". Other memorials to Marines (sometimes including other services) include the two of the