The 321st Fighter-Interceptor Squadron is an inactive United States Air Force unit. Its last assignment was with the 316th Air Division, stationed at , Washington. It was inactivated on 8 March 1960.
The 321st Fighter-Interceptor Squadron is an inactive United States Air Force unit. Its last assignment was with the 316th Air Division, stationed at , Washington. It was inactivated on 8 March 1960. (en)