22nd Fleet Air Squadron (JMSDF)

Fleet Air Squadron 22 (第22航空隊) (which is also referred to as HS-22) is a unit in the Japanese Maritime Self-Defence Force. It is a part of the Fleet Air Force and comes under the authority of Fleet Air Wing 21. Equipped with Mitsubishi SH-60J & SH-60K anti-submarine warfare helicopters, it is based at Omura Air Base in Nagasaki Prefecture.

Squadron structure
The squadron is composed of three flights:
 * 221st Flight is equipped with SH-60K helicopters
 * 222nd flight is equipped with SH-60K helicopters
 * 223rd Flight is equipped with SH-60J helicopters