200228-N-QA919-0202 HA LONG BAY (Feb. 28, 2020) U.S. Army Sgt. 1st Class William Behr, left, and Staff Sgt. William Moogan, both assigned to the Defense POW/MIA Accounting Agency (DPAA), fill buckets with sediment in an effort to search for personnel who went missing off the coast of Ha Long Bay during the Vietnam War, Feb. 28, 2020. DPAA conducts global search, recovery and laboratory operations to provide the fullest possible accounting for our missing personnel to their families and the nation. (U.S. Navy photo by Mass Communication Specialist 1st Class Tyler Thompson/Released)