The squadron was active but unmanned from, 1 July 1947 – 1 September 1948. Brought to operational status under Strategic Air Command in 1951, being equipped with RB-29 Superfortresses at Fairchild AFB, Washington. Moved to Forbes AFB, Kansas shortly afterward and conducted operational training from, 1 June 1951 – September 1952, replacement training from, 1 June 1951 – 1 September 1953, and. SHORAN training from, 10 November 1952-30 Novovember 1953 Replaced the propeller-driven RB-29s with new RB-47E Stratojet swept-wing reconnaissance bombers in 1954, capable of flying at high subsonic speeds and primarily designed for penetrating the airspace of the Soviet Union. Flew many long-range clandestine missions with the RB-47, flying many ferret missions around the periphery of Soviet territory, and sometimes inside on penetration flights to map planned routes for B-52s if combat missions over the Soviet Union ever became necessary. Began performing RB-47 crew training from, c. 1 January 1959 – 20 June 1960. Began phasing down RB-47 missions in 1959 when the vulnerability of the aircraft to Soviet air defenses became evident, was inactivated on 20 June 1960.
Reactivated on 8 January 1964 as an ICBM squadron assigned to the 90th Missile Wing at Francis E. Warren AFB, Wyoming. The squadron was initially equipped with 50 LGM-30B Minuteman Is in early 1964. In 1973/1974 the squadron upgraded to LGM-30G Minuteman III ICBMs which are still on alert as of today.