5th Generation formation Published Sept. 21, 2012 EGLIN AFB, Fla. -- An F-35A Lightning II joint strike fighter from the 33rd Fighter Wing at Eglin Air Force Base, Fla., and an F-22A Raptor from the 325th Fighter Wing at Tyndall Air Force Base, Fla., soar over the Emerald Coast Sept. 19. This was the first time the two fifth generation fighters have flown together for the Air Force. (U.S. Air Force photo/Master Sgt. Jeremy T. Lock)