'Diamond Lil' kill
The B-52 Stratofortress known as "Diamond Lil" sits near the north entrance of the Air Force Academy in Colorado Springs, Colo., Dec. 23, 2010. Diamond Lil's tail gunner, Airman 1st Class Albert Moore, shot down a North Vietnamese MiG on Dec. 24, 1972. Diamond Lil came to the Academy after it was decommissioned in 1983. (U.S. Air Force photo/Staff Sgt. Don Branum)