A U.S. Air Force B-52 Stratofortress flies over the Lafayette Escadrille Memorial in Marnes-la-Coquette, France, April 20, 2016, during a ceremony honoring the 268 Americans who joined the French air force before the U.S. officially engaged in World War I. In addition to the B-52, four U.S. Air Force F-22 Raptors, four French air force Mirage 2000Ns and a WW I-era Steerman PT-17 biplane performed flyovers during the ceremony commemorating the 100th anniversary of the Layfette Escadrille's formation. Men of the Lafayette Escadrille and Lafayette Flying Crops were critical to the formation of the U.S. Air Force. (U.S. Air Force photo/Tech. Sgt. Joshua DeMotts)

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Photo by: Tech. Sgt. Joshua DeMotts |  VIRIN: 160420-F-FH950-225.JPG