Three retired air commandos, who served in World War II and played intricate parts in the D-Day success, visited Hurlburt Field, Fla., to celebrate the 70th anniversary of the historic event June 6, 2014. More than 160,000 Allied troops landed along a 50-mile stretch of heavily-fortified coastline June 6, 1944, on the beaches of Normandy, France. (U.S. Air Force photo/Senior Airman Christopher Callaway)