F-16 F - Tail view

TYNDALL AIR FORCE BASE, Fla.—F-16 Fighting Falcons from the 64th Aggressors Squadron at Nellis Air Force Base, Nev., are lined up ready for action during William Tell 2004 here Nov. 13. This is the 50th anniversary of the William Tell competition, which tests an aircrew’s ability to perform under combat conditions. Two weeks of competition will challenge pilots, weapons loaders and maintainers from five F-15 Eagle wings. (U.S. Air Force photo by Tech. Sgt. Kevin Gruenwald)