PETERSON AIR FORCE BASE, Colo. -- Col. Richard Saunders, left, poses with Maj. Bryan Cooper, right, after Cooper accepted the 302nd Civil Engineer Squadron guidon during an assumption of command ceremony here, July 16, 2017. Cooper takes command of the squadron after recently transferring from active duty status in the Air Force. He takes command of the 302nd CES after the departure of Lt. Col. John Anderson, who retired. Saunders is the 302nd Mission Support Group commander, the parent organization to the 302nd CES. (U.S. Air Force photo/1st Lt. Stephen J. Collier)