U.S. Air Force Senior Airman Sean Alberts, 633rd Civil Engineer Squadron, electrical apprentice, drills holes into a bus bar before screwing it into an electric panel at Langley Air Force Base, Va., Jan. 23, 2012. The buildings in the newly renovated Raptor Town will be equipped with electricity, heating and air conditioning. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)