200221-N-QA919-0201 HA LONG BAY (Feb. 21, 2020) U.S. Coast Guard Diver 1st Class Jeff Esser, assigned to the Defense POW/MIA Accounting Agency (DPAA), conducts in-water communications during an underwater recovery operation searching for personnel who went missing off the coast of Ha Long Bay during the Vietnam War, Feb. 21, 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)