The Patrouille de France, the French air force’s aerial demonstration team, performs during an ATLANTIC TRIDENT 17 World War I Remembrance Day at Joint Base Langley-Eustis, Va., April 21, 2017. With an eight-aircraft formation, the Patrouille de France is the largest aerial demonstration team in the world. (U.S. Air Force photo/Staff Sgt. Areca T. Bell)