LANGLEY AIR FORCE BASE, Va. -- Col. Rick Bennett, 735th Supply Chain Operation Group commander, presents Lt. Col. Eric Ellmyer, 439th Supply Chain Operation Squadron commander, with the 439th SCOS guidon during the activation, and assumption of commands ceremony July 22. Lieutenant Colonel Ellmyer will be leading more than 200 active duty, guard, and civilian personnel, and managing over 1185, bomber and special mission aircraft. (U.S. Air Force photo/ Senior Airman Gul Crockett)