Its mission is Survival, Evasion, Resistance and Escape training.

The 22nd flew Douglas A-1 Skyraiders and was assigned to the 56th Special Operations Wing[1] at Nakhon Phanom Royal Thai Air Force Base.

(The 606th Air Commando Squadron also used the "Zorro" call sign for a period of time prior to the establishment of the 22nd for its missions over the Trail flying North American T-28 Trojan fighter bombers).

The 3612th Combat Crew Training Squadron was organized in 1971 and assigned to the 3636th Combat Crew Training Group at Fairchild Air Force Base, Washington.

The squadron conducts Survival, Evasion, Resistance and Escape training.