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
Marine Corps Intelligence determines what missions the Corps needs to carry out as well as who will need to be trained for that mission. MCIA is in partnership with Marine Corps Intelligence the Office of Naval Intelligence and Office of Coast Guard Intelligence in the National Maritime Intelligence-Integration Office and at Marine Corps Base Quantico in Quantico, Virginia. The MCISR-E is a warfighting enterprise that supports decision-making through the provision of tailored intelligence that is timely, relevant, and predictive. The enterprise supports institutional decision-making through both the provision of relevant intelligence and the comprehensive integration of the intelligence warfighting function in operating concepts,