The Mark V SOC (Special Operations Craft) was a marine security, patrol, and special forces insertion boat used by the United States Navy and manufactured by VT Halter Marine Inc (Gulfport, Mississippi). It was introduced into service with the US Navy SEALs in 1995. It was removed from service in 2013. It is commonly referred to as the "Mark V.1 Patrol Boat" in official U.S. Navy documents.