U.S. Marine Corps Lance Cpls. Chris Covington (left) and Carlos Gomez Perez recover from shrapnel and bullet wounds on April 27, 2004, after Iraqi insurgents attacked near Fallujah, Iraq. Just two weeks earlier, Covington and Gomez Perez helped evacuate wounded Marines and soldiers after a deadly explosion rocked a schoolhouse in Fallujah. Scott Peterson/Getty Images hide caption