190810-N-ET019-0033 QUANG BINH, Vietnam (Aug. 10, 2019) Michael Gregory a scientific recovery expert assigned to the Defense POW/MIA Accounting Agency (DPAA), conducts soil sample analysis during a site survey in Quang Binh, Vietnam, Aug. 10, 2019. A team was deployed in the area to investigate sites that could be correlated to areas where unaccounted-for U.S. service members went missing from the Vietnam War. The mission of DPAA is to provide the fullest possible accounting of our missing personnel to their families and the nation. (U.S. Navy photo by Mass Communication Specialist 1st Class Claire Farin/Released)