U.S. Army Master Sgt. Eric Lawson (left) and U.S. Army Sgt. Marcos Simeon Oliva (right) fill buckets with soil to be screened during a Defense POW/MIA Accounting Agency (DPAA) recovery operation in Hunan China, August 28, 2024. Lawson and Simeon Oliva are part of a DPAA recovery team on a 30-day mission to search for potential remains from a suspected P-40 Warhawk that crashed 81 years ago. There are 678 unresolved cases from World War II, the Korean War, the Cold War and the Vietnam War in China. There are approximately 678 missing personnel from World War II. (Department of Defense Photo by Bill Dasher)