Picture Of The Day Thursday, 20 April 2017 Goverment, News, People, Politics, USA, War, World Of a Feather The Air Force Thunderbirds and Patrouille de France, two of the world's oldest aerial demonstration teams, fly together over Death Valley, Calif., April 17, 2017. Air Force photo by Tech. Sgt. Christopher Boitz Tweet Subscribe to receive free email updates: