retired U.S. Navy Cmdr. Thomas Eugene Wilber, a family friend of a missing POW/MIA, listens to David Brown, a Defense POW/MIA Accounting Agency (DPAA) scientific recovery expert, during a DPAA recovery operation in the Socialist Republic of Vietnam, March 13, 2024. Wilber received a tour of the site, and he learned about recovery mission operations such as digging, screening and life support evidence review. There are approximately 1,576 missing personnel unaccounted-for in Vietnam. (U.S. Navy photo by Mass Communication Specialist 1st Class Annaliss Candelaria)