90th CS welcomes new commander Published July 13, 2018 By Airman 1st Class Abbigayle Wagner 90th Missile Wing Public Affairs F.E. WARREN AIR FORCE BASE, Wyo. -- Lieutenant Colonel Raymond Spohr took command of the 90th Communications Squadron during a change of command ceremony here July 13, 2018 at Trails End on F. E. Warren Air Force Base, Wyoming. Lieutenant Colonel Josef Chesney, outgoing commander, will continue his Air Force career at 20th Air Force at F.E. Warren Air Force Base, Wyo. A change of command ceremony is a tradition that represents a formal transfer of authority and responsibility from the outgoing commander to the incoming commander.