Photos: Instructor pilot course takes first flight Published July 7, 2011 By Staff Sgt. Brian J. Valencia 375th Air Mobility Wing Public Affairs SCOTT AIR FORCE BASE, ILL. -- The C-21A formal training unit at Scott Air Force Base, Ill. had its first flight on July 6, 2011 for the instructor pilot course under the 458th Airlift Squadron since it regained the C-21 training mission from the 45th AS at Kessler AFB, Miss. (U.S. Air Force Photo/Staff Sgt. Brian J. Valencia) Click here for slideshow