Airmen welcome new 521st AMOW commander
Maj. Gen. Frederick Martin, U.S. Air Force Expeditionary Center commander, speaks to members of the 521st Air Mobility Operations Wing during a change-of-command ceremony at Ramstein Air Base, Germany, June 14, 2016. Members of Ramstein and the local community welcomed the new commander, Col. Thomas Cooper and said thank you and goodbye to Col. Nancy Bozzer. (U.S. Air Force photo/Staff Sgt. Armando A. Schwier-Morales)