191205-F-ON660-0165
U.S. Air Force Col. David Epperson, 52nd Fighter Wing commander, left, and Senior Airman John Sierra, 702nd Munitions Support Squadron radio frequency transmission system technician, front right, render a salute at Buechel Air Base, Germany, Dec. 5, 2019, during a commander immersion tour. Epperson presented a coin to Sierra and several other Airmen in the squadron for their outstanding performance. (U.S. Air Force photo by Airman 1st Class Valerie Seelye)