A four ship formation of U.S. Air Force F-15E Strike Eagle aircraft assigned to both the 492nd and the 494th Fighter Squadrons, 48th Fighter Wing, at Royal Air Force Lakenheath, United Kingdom, perform a Missing Man formation fly over the village of Koverska, Czech Republic, on Sept. 11, 2004. The formation is part of the 60th Anniversary of the Air Battle over the Ore Mountains Celebration, held to honor both the German and American Airmen killed over the skies of Kovarska, Czech Republic on September 11, 1944. (U.S. Air Force PHOTO by AIRMAN Christopher Walkenhorst) (Released)