George K. Mullins, a D-Day veteran who participated in the liberation of Carentan, tries on historic replica boots during a battlefield tour in Carentan, France on June 1, 2017. This event commemorates the 73rd anniversary of D-Day, the largest multi-national amphibious landing and operational military airdrop in history, and highlights the U.S.' steadfast commitment to European allies and partners. Overall, approximately 400 U.S. service members from units in Europe and the U.S. are participating in ceremonial D-Day 73 events from May 31 to June 7, 2017. (DOD photo by A1C Alexis C. Schultz/ Released)