The 521st Air Defense Group is a disbanded United States Air Force organization. Its last assignment was with the 31st Air Division at Sioux City Municipal Airport, Iowa, where it was inactivated in 1
F-86D of the 87th Fighter-Interceptor Squadron at Lockbourne AFB
F-51D as flown by the 87th FIS until 1953
The 87th Flying Training Squadron is part of the United States Air Force 47th Flying Training Wing based at Laughlin Air Force Base, Texas. It operates T-38 Talon aircraft conducting flight training.
87th Flying Training Squadron T-38s flying over Laughlin AFB
87th Flying Training Squadron
87th FIS F-106s on the flightline at K. I. Sawyer AFB in 1976