160330-N-SF508-067 ABERDEEN, Maryland (March 30, 2016) — Chief Hospital Corpsman Nick Gomez, assigned to Mobile Diving and Salvage Unit (MDSU) 2, dons a KM-37 diving helmet before conducting a maintenance dive at the Underwater Testing Facility at Aberdeen Proving Ground, Md. MDSU 2, the only east coast mobile diving and salvage unit, is headquartered at Joint Expeditionary Base Little Creek-Fort Story. (U.S. Navy photo by Mass Communication Specialist 2nd Class Charles Oki/Released)