Chief Warrant Officer 2 William Preston, of Rapid City,

Chief Warrant Officer 2 William Preston, of Rapid City, S.D., shows his niece Allie Baker, 3, the propeller of the C-12 aircraft after the South Dakota Army National Guard's Detachment 48, Operational Support Airlift Command's welcome home ceremony held at the Army Aviation Support Facility in Rapid City, Aug. 22, 2012. The Rapid City-based unit deployed in August 2011 with a mission to provide aerial surveillance in support of ground forces. Det. 48 is a fixed-wing aviation unit comprised of pilots and operations specialists, which operate the C-12 King Air. (SDNG photo by Sgt. 1st Class Theanne Tangen) (RELEASED)