W202nd Naval Air Training Squadron is a unit in the Japanese Maritime Self-Defence Force. It is a part of the Fleet Air Force and is based at Tokushima Air Base in Tokushima prefecture. It operates TC-90 aircraft.
WAir Development Squadron 51 is a unit in the Japanese Maritime Self-Defence Force. It is a part of the Fleet Air Force and is based at Naval Air Facility Atsugi in Kanagawa prefecture.
WAir Patrol Squadron 2 is a unit of the Japanese Maritime Self-Defence Force. It is a part of Fleet Air Wing 4 and is based at JMSDF Hachinohe Air Base in Aomori prefecture. It is equipped with Lockheed P-3C Orion aircraft.
WAir Patrol Squadron 3 is a unit in the Japan Maritime Self-Defence Force. It is a part of Fleet Air Wing 4 and is based at Naval Air Facility Atsugi in Kanagawa prefecture. It is equipped with Kawasaki P-1 aircraft.
WIn the Japan Maritime Self-Defense Force (JMSDF), the Fleet Air Force is its naval aviation branch, responsible for both fixed-wing and rotary aircraft and headquartered in Naval Air Facility Atsugi. As of 2012, it was equipped with over 200 fixed-wing aircraft and 150 helicopters. These aircraft operate from bases throughout Japan, as well as from the JMSDF's ships.
WMine Countermeasures Helicopter Squadron 111 is a squadron of the Japan Maritime Self-Defense Force based at Marine Corps Air Station Iwakuni in Yamaguchi Prefecture, Japan. It operates MCH-101 aircraft.
WThe Special Boarding Unit is a special forces unit established by the Japan Maritime Self-Defense Force on March 27, 2001 in response to a previous spy ship incursion that occurred on the Noto Peninsula in 1999. The unit was created to perform similar roles to those undertaken by American Navy SEALs and the British SBS. Its structure is based on that of the SBS. They are based in Etajima, Hiroshima.