sentences:  The second predecessor of the group was organized at Lowry Air Force Base, Colorado as the 451st Strategic Missile Wing (ICBM-Titan) on 1 July 1961.The wing assumed the missiles, personnel and equipment of the inactivating 703d Strategic Missile Wing.The 703d Wing had never achieved full operational status, so 451st became the first fully operational HGM-25A Titan I missile wing.