![Photo by Staff Sgt. Armando A. Schwier-MoralesMaj. Gen. Frederick Martin, U.S. Air Force Expeditionary Center commander, passes the 521st Air Mobility Operations Wing guidon to Col. Thomas Cooper during a change-of-command ceremony June 14 on Ramstein. With the passing of the flag, Cooper took command of more than 2,000 Airmen throughout Europe and Africa.](https://www.kaiserslauternamerican.com/wp-content/uploads/2016/06/Photo8b-1.jpg)
Maj. Gen. Frederick Martin, U.S. Air Force Expeditionary Center commander, passes the 521st Air Mobility Operations Wing guidon to Col. Thomas Cooper during a change-of-command ceremony June 14 on Ramstein. With the passing of the flag, Cooper took command of more than 2,000 Airmen throughout Europe and Africa.