Wing engineers get new leader
PETERSON AIR FORCE BASE, Colo. – The 21st Civil Engineer Squadron held its change of command ceremony July 9 at the Peterson fire station. Col. Charles Arnold (left) 21st Mission Support Group commander, passes the 21st CES guidon to Lt. Col. Joshua DeMotts, incoming commander. DeMotts replaces the outgoing commander Lt. Col. Mark Donnithorne. (U.S. Air Force photo/Robb Lingley)