Marine Corps Air Station Futenma or MCAS Futenma (Japanese: 海兵隊普天間航空基地 Hepburn: Kaiheitai Futenma Kōkū Kichi) (ICAO: ROTM) is a United States Marine Corps base located in Ginowan, Okinawa Prefecture, 5 NM (9.3 km; 5.8 mi) northeast of Naha, on the island of Okinawa. It is home to approximately 3,000 Marines of the 1st Marine Aircraft Wing and other units, and has been a U.S. military airbase since the defeat of the Japanese Imperial Army in the Battle of Okinawa in 1945. Marine Corps pilots and aircrew are assigned to the base for training and providing air support to other land and sea-based Marines in Okinawa and throughout the Asia-Pacific region. MCAS Futenma is part of the Marine Corps Installations Pacific command.