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 Air Station Kaneohe Bay an Air Station (vice an Air Facility) in May 2009. At the same time, the airfield was named for MajGen Marion Eugene Carl, and the Corps announced that new squadrons would be stationed there. On January 15, 2016, two Marine helicopters from the air station collided over the North Shore of Oahu, leaving 12 US Marines missing and feared dead. Marine Corps Air Station Kaneohe Bay Marine Corps Air Station Kaneohe Bay or MCAS Kaneohe Bay is a United States Marine Corps airfield located within the Marine Corps Base Hawaii complex, formerly known as Marine Corps Air Facility (MCAF) Kaneohe