Lt. Col. (ret.) A.J. Kelly, Lt. Col. (ret.) Bob Reimers and Maj. Gen. (ret.) Bob Taylor view a plaque that is part of the Sept. 11, 2001, memorial at 1st Air Force’s 601st Air and Space Operations Center. The retired fighter pilots were among more than 100 alumni of the former Air Defense Weapons Center who regularly attend biennial reunions in the Tyndall AFB, Fla., area. (U.S. Air Force photo by Lisa Norman.)