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U.S. Navy Lt. Esther Kangas, Maryland native, division officer with Aviation Survival Training Center Cherry Point, Navy Medicine Operational Training Command, Marine Corps Air Station Cherry Point, conducts rappelling techniques during Mountain Medicine 3-25 at Marine Corps Mountain Warfare Training Center, Bridgeport, California, Sep. 5, 2025. MMED challenges service member with various medical and technical problems common to mountainous environments in preparation for future conflicts in austere terrain. (U.S. Marine Corps photo by Lance Cpl. Enge You) - U.S. Navy Lt. Esther Kangas, Maryland native, division officer with Aviation Survival Training Center Cherry Point, Navy Medicine Operational Training Command, Marine Corps Air Station Cherry Point, conducts rappelling techniques during Mountain Medicine 3-25 at Marine Corps Mountain Warfare Training Center, Bridgeport, California, Sep. 5, 2025. MMED challenges service member with various medical and technical problems common to mountainous environments in preparation for future conflicts in austere terrain. (U.S. Marine Corps photo by Lance Cpl. Enge You)