U.S. Air Force Lt. Gen. Sid Clarke, 1st Air Force commander, issues the present arms command to a formation of 1st AF members during a formal Air Force Retreat ceremony at the 325th Fighter Wing Flag Park at Tyndall Air Force Base, Fla., Oct. 5. Retreat is military tradition that pays tribute to the American flag and signifies the end of the duty day. (U.S. Air Force photo by Angela Pope/Released)