Retired Lt. Col. David Pacheco (left) presents Master Sgt. William Pook, a reservist assigned to the 633rd Civil Engineer Squadron, with his certificate of retirement in a ceremony at the squadron’s Emergency Management flight warehouse at Langley Air Force Base, Va., Sept. 23, 2011. Pacheco, who officiated the retirement ceremony, met Pook in basic military training in 1971, and has never lost touch with him. (U.S. Air Force photo by Senior Airman Jason J. Brown/Released)