Picture Of The Day Monday, 29 August 2016 Goverment, News, People, Politics, War, World Chicago 'Loop' Pilots assigned to the Thunderbirds, the Air Force's demonstration squadron, perform a delta loop maneuver during practice for the Chicago Air and Water Show over Chicago, Aug. 19, 2016. Air Force photo by Staff Sgt. Jason Couillard Tweet Subscribe to receive free email updates:
