 The 31st MEU consists of a company-sized command element, a battalion landing team (BLT), (an infantry battalion reinforced with artillery, amphibious vehicles and other attachments), a medium tiltrotor squadron (reinforced), (which includes detachments of short take-off, vertical landing airplanes and heavy, light, and attack helicopters), and a combat logistics battalion.The 31st MEU is based at Camp Hansen, Marine Corps Base Camp Smedley D. Butler, Okinawa, Japan.The 31st MEU is the only permanently forward-deployed MEU, and provides a flexible and lethal force ready to perform a wide range of military operations as the premier crisis response force in the Indo-Pacific region.