Col. Peter Castor, 28th Bomb Wing vice commander, uses a pressure washer to spray down the wing of a C-54 "Skymaster" aircraft as part of the Adopt-a-Plane program at the South Dakota Air and Space Museum, Sept. 29. The Adopt-a-Plane program allows 28th Bomb Wing Airmen to volunteer and see aircraft from an up-close perspective. (U.S. Air Force photo/Airman Matthew Flynn)