Change of command
ANDREWS AIR FORCE BASE, Md. - (From top left) As the color guard stands before them, Maj. Gen. Robert Duignan, 4th Air Force commander; Col. Stayce Harris, 459th Air Refueling Wing commander, Col. Tim Cahoon, 459th ARW vice (and incoming) commander, and Chief Master Sgt. Patti Hickman, 459th ARW command chief, salute the flag during the singing of the national anthem at the 459th Air Refueling Wing change of command ceremony July 13. Col. Tim Cahoon will assume command from outgoing wing commander Col. Stayce Harris Aug. 1. (U.S. Air Force photo/Senior Airman Ashley B. Crawford)