PETERSON AIR FORCE BASE, Colo. — Dennis and Kliffa wear matching Killed-In-Action bracelets with their son’s name engraved on it, at Peterson Air Force Base, Colorado, on November 14, 2018. Their son, Capt. Ryan Hill, was killed when his aircraft went down after a mission in Djibouti in 2002. (U.S. photo by Staff Sgt. Alexandra M. Longfellow/Released)