U.S. Air Force Lt. Col. Aaron Thomas, outgoing Defense POW/MIA Accounting Agency Detachment 1 leader, relinquishes authority to Christopher Phelps, DPAA Indo-Pacific director, during a change of leadership ceremony at the U.S. Embassy in Bangkok, July 15, 2026. Detachment 1 serves as the administrative and logistical hub for DPAA operations in Southeast Asia, advancing the agency's mission to provide the fullest possible accounting for missing personnel from designated past conflicts to their families and the nation across Thailand, Cambodia, Myanmar, and India. (Courtesy photo)