Dertien takes command of AFTC
Gen. Arnold W. Bunch, Jr., Air Force Materiel Command commander, hands the Air Force Test Center guidon to Maj. Gen. Evan C. Dertien during a change of command ceremony at Edwards Air Force Base, Calif., July 15, 2021. Dertien now directs a test enterprise of more than 18,000 military, civilian and contractor personnel across Arnold AFB, Tenn., Edwards AFB, and Eglin AFB, Fla. (U.S. Air Force Photo/Tech. Sgt. Robert Cloys)