U.S. Air Force Airmen from the 28th Bomb Squadron stand with Secretary of the Air Force Deborah Lee James April 20, 2016, in Marnes-la-Coquette, France. Secretary of the Air Force Deborah Lee James and the U.S. Ambassador to France Jane Hartley attended a ceremony with other U.S. and French officials to honor the centennial formation of the Lafayette Escadrille, a unit of American Airmen who volunteered to fight alongside the French in WWI. (Courtesy photo)