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The United States Air Force's famed aerial demonstration team, the Thunderbirds, fly in their famed Delta formation over a C-5M Super Galaxy assigned to the Air Force Reserve Command's 433rd Airlift Wing at the Joint Base San Antonio-Lackland Air Show and Open House, Nov. 4, 2017. The Air Force's precision flight demonstration team showed off their skills to a crowd of over 150,000 visitors during the two-day open house. (U.S. Air Force photo by Tech. Sgt. Carlos J. Trevino)