THREE-SHIP FORMATION U.S. Air Force F-22 Raptors fly in a three-ship formation to the Nevada Test and Training Range, Feb. 4, 2010, during Red Flag, a realistic combat training exercise involving the air forces of the United States and its allies. The Raptors are assigned to the 90th Fighter Squadron on Elmendorf Air Base, Alaska, and the 49th Fighter Wing at Holloman Air Force Base, N.M. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 430609-V-CJR54-197.jpg Photo Gallery