Underwater Search Army Sgt. 1st Class Elliot Hill dives under a barge in the Gulf of Tonkin off the coast of northern Vietnam, May 30, 2017. Hill, part of a Defense POW/MIA Accounting Agency underwater recovery team, was helping to search for two aviators who are believed to have crashed in the area during the Vietnam War. SHARE: Download: Full Size (1.09 MB) Tags: POW/MIA, Army Credit: Navy Petty Officer 1st Class Blake Midnight VIRIN: 170530-N-WB378-0004C.JPG Photo Gallery