A VC-25A Air Force One aircraft sits on a ramp at Offutt Air Force Base, Neb., during a brief stop Jan. 22. The aircraft is one of two modified Boeing 747 Airliners that serve as a transport aircraft for the President of the United States. Construction of the future headquarters for United States Strategic Command can be seen in the background. (U.S. Air Force Photo by Josh Plueger/Released)