An F-16 Fighting Falcon aircraft with the Thunderbirds, the U.S. Air Force Air Demonstration Squadron, approaches the boom on a KC-135 Stratotanker aircraft out of Grand Forks Air Force Base, N.D., while in flight over the Midwestern United States Oct. 1, 2007. DoD photo by Airman 1st Class Chad M. Kellum, U.S. Air Force.
