U.S. Ambassador to the Kingdom of Thailand Sean K. O’Neill provides remarks during a Defense POW/MIA Accounting Agency Detachment 1 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)