 Was inactivated in 1963 when SAC inactivated its provisional Strategic Wings, redesignating them permanent Air Force Wings.Squadron was inactivated with aircraft/personnel/equipment being redesignated 20th Bombardment Squadron in an in-place, name-only transfer.Reactivated in as the 436th Strategic Training Squadron at Carswell Air Force Base, Texas to provide training on the Boeing B-52H Stratofortress.