A U.S. Army Blackhawk hovers nearby as a U.S. Air Force F-22 Raptor taxies to its parking spot on the flight line of the Kentucky Air National Guard Base in Louisville, Ky., on April 14, 2011. The Raptor, piloted by Maj. Henry Schantz and assigned to the 1st Fighter Wing at Langley Air Force Base, Va., will appear in the Thunder Over Louisville air show April 16. The annual event is one of the largest single-day air shows in the nation. (U.S. Air Force photo by Maj. Dale Greer)