Photos

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SILVER SPRING, Md. (Sept. 3, 2025) Capt. Eric Welsh, commander, Naval Medical Research Command (NMRC) pins the Command Master Chief (CMC) Identification Badge on Master Chief Hospital Corpsman Christopher Cariss during a change of office ceremony, in which Cariss relieved Master Chief Hospital Corpsman Phillip Jean-Gilles as NMRC’s CMC. NMRC, headquarters of Navy Medicine Research & Development, is engaged in a broad spectrum of activity from basic science in the laboratory to field studies in austere and remote areas of the world to investigations in operational environments. In support of Navy, Marine Corps and joint U.S. warfighter health, readiness and lethality, researchers study infectious diseases, biological warfare detection and defense, combat casualty care, environmental health concerns, aerospace and undersea medicine, operational mission support and epidemiology. (U.S. Navy photo by Tommy Lamkin/Released)