WASHINGTON, May 16 -- The U.S. Department of Defense issued the following feature: By Katie Lange Navy Hospital Corpsman 2nd Class Donald Everett Ballard was trained to keep the Marines he was tasked with protecting alive during the Vietnam War -- even at the expense of his own life. Thanks to a lucky explosives malfunction, though, Ballard survived his mission. But his actions showed the lengths he was willing to go to perform his duties, and that earned him the Medal of Honor. Ballard was b  more