 in 1961, the squadron began transferring its B-47s to other SAC wings and became non-operational as part of the phaseout of the B-47.On 1 September 1965 the 446th Strategic Missile Squadron was organized as a SAC LGM-30F Minuteman II intercontinental ballistic missile squadron.It became operational on 7 December 1966, with a complement of 50 missiles.