Defense POW/MIA Accounting Agency (DPAA) Scientific Recovery Expert (SRE), Dr. Willa Trask, examines a piece of metal with local workers during a site survey in the People’s Republic of China (PRC) , Jan. 7, 2024. A DPAA team spent several weeks surveying sites in Southern China in order to provide vital information for future recovery missions. Approximately 690 unaccounted-for American personnel from World War II are believed to be located within modern-day PRC. (U.S. Army photo by Staff Sgt. John Miller)