200121-N-ET019-3523 BATAAN, Philippines (Jan. 21, 2020) Dr. Owen O'leary, left, an archaeologist assigned to the Defense POW/MIA Accounting Agency (DPAA) explains the excavation process to the team during a recovery mission in Bataan province, Republic of the Philippines, Jan. 21, 2020. DPAA team members excavated an alleged secondary burial site in hopes of recovering the remains of missing personnel lost during the Bataan peninsula conflict. DPAA's mission is 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 Claire Farin/Released)