U.S. Army Staff Sgt. Zachary Bailey, Defense POW/MIA Accounting Agency independent duty medical technician, prepares to rappel a cliff face during a simulated real-world casualty evacuation during a recovery mission in Laos, Jan. 28, 2026. DPAA team members practiced safely descending the mountain with a simulated real-world casualty and loading them onto a Lao Skyway Helicopter. There are more than 280 personnel missing in Laos from the Vietnam War. (U.S. Air Force photo by Staff Sgt. Dallin Wrye)