Staff Sgt. Jeremy Jackson, U.S. Air Force Thunderbirds dedicated crew chief on Thunderbirds No. 7 aircraft, cleans the canopy of the F-16 Fighting Falcon here, May 29, for the upcoming Dakota Thunder 2009 open house and air show here. The Thunderbirds reinforce public confidence in the Air Force and demonstrate the professional competence of Air Force members to the public. (U.S. Air Force photo/Airman 1st Class Matthew Flynn)