Air Force One, a VC-25A presidental air transport aircraft, takes off during sunset from Great Falls International Airport Air Guard Station, Mont., after U.S. President George W. Bush visited here on Feb. 3, 2005. Great Falls was one of five cities visited by the President for Town Hall meetings on social security issues following his State of the Union Address. (U.S. Air Force PHOTO by TECH. SGT. Roger M. Dey) (Released)