Summary: A U.S. Marine reservist, Staff Sgt. Jeremy Smith, and a Navy corpsman, Seaman Benjamin Rast, were killed by a Hellfire missile fired from a U.S. Air Force Predator drone in a friendly fire incident in Afghanistan — an apparent case of mistaken identity. … One-year retrospective: One year ago today, on April 13, 2010, Aubrey Immelman provided his weekly report of U.S. military deaths in the Iraq and Afghanistan wars.