90 CES Change Of Command Published June 30, 2021 By A1C Darius Frazier 90th Missile Wing F.E. WARREN AIR FORCE BASE -- Lt. Col. Peter Sabatowski assumed command of the 90th Civil Engineer Squadron during a change of command ceremony June 23, 2021, in building 322 on F.E. Warren Air Force Base. Prior to his current position, Sabatowski was the Military Construction Program Manager Lead at the Pentagon in Washington, D.C. 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.