A United States Navy diver or (within the US Navy) navy diver refers to a member of the community of unrestricted line officer (URL officers), Medical Corps officers and enlisted personnel in the United States Navy who are qualified in underwater open/closed circuit breathing apparatus, deep sea type diving apparatus and saturation diving. Personnel in the navy diver (ND rating) are part of the Navy Special Operations (NSO) community. Navy divers serve at several diving platform types including; Navy Expeditionary Combat Command (NECC), Navy Special Operations/Special Warfare commands, Marine Corps dive teams, rescue/salvage and repair diving detachments, saturation diving commands and diving research/development to name a few. Some of the mission areas of the navy diver include; deep sea underwater salvage, harbor clearance operations, in-water ship/submarine repair, demolition operations, submarine rescue, SEAL Delivery Vehicle deployment/recovery, saturation diving, experimental diving, underwater construction/welding as well as serving as diving technical experts at SEAL/Marine Corps/and United States Navy EOD diving commands. In 2006, the U.S. Navy established a new navy diver rating. Navy divers are the foremost experts in all types of diving operations in the U.S. military and serve as the single resource managers for diving technical knowledge and training across the entire Department of Defense. (wikipedia)