Photos

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Two role-playing Marines with simulated critical injuries are transferred into a hospital van by a Navy corpsman at the helicopter landing pad at Naval Hospital Twentynine Palms during the Semper Durus 2025 regional training exercise, May 21. The air medical evacuation helicopter arrived as part of a notional mass casualty scenario—conducted in coordination with Marine Corps Air Ground Combat Center (MCAGCC) and other base tenants—following a simulated explosion and friendly fire incident on Range 112. The corpsman and duty driver transported the casualties from the helipad to the ambulance entrance, where Emergency Department personnel awaited to conduct triage and initiate the hospital’s Mass Casualty Protocol. The exercise tested multi-agency coordination, emergency response procedures, and the hospital’s ability to deliver critical care under pressure (U.S. Navy photo by Christopher C. Jones, NHTP/NMRTC Twentynine Palms public affairs officer).