90th Operations Group change of command Published Dec. 3, 2014 By Airman 1st Class Malcolm Mayfield 90th Missile Wing Public Affairs F.E. WARREN AIR FORCE BASE, Wyo. -- Col. Todd Sauls assumed command of the 90th Operations Group Dec. 3, 2014, during a change-of-command ceremony in the Fall Hall community center on F.E. Warren Air Force Base, Wyo. Sauls assumed command of the group from Col. Ron Allen, who was assigned as the 90th Missile Wing vice commander.