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U.S. Navy LT. Cmdr. Alexandria Johnston, a medical officer assigned to the Harpers Ferry-Class Dock Landing Ship USS Carter Hall (LSD 50), takes a blood sample from a fellow classmate during a Tier IV Tactical Casualty Combat Care course hosted by 2nd Marine Logistics Group at Marine Corps Base Camp Lejeune, North Carolina, Sept. 29, 2025. 2nd MLG became the first-ever Marine Corps command to host a Tier IV TCCC course and is now hosting its second iteration. The course trains select military service members to become proficient combat paramedics capable of providing advanced casualty care at the point of injury on the battlefield and in austere environments. (U.S. Marine Corps photo by Lance Cpl. Isabella Ramos)
Bureau of Medicine and Surgery 7700 Arlington Blvd. Ste. 5113 Falls Church, VA 22042-5113 This is an official U.S. Navy website This is a Department of Defense (DoD) Internet computer system. General Navy Medical Inquiries (to Bureau of Medicine and Surgery): usn.ncr.bumedfchva.list.bumed---pao@health.mil