Condition : Used, and in good shape. This coin is 1 1/2 inches in diameter. Nice older coin ansd artwork. Naval Special Warfare Group 3 (NSWG-3), based at the Naval Amphibious Base Coronado. Is one of six constituent formations of the United States Naval Special Warfare Command. Teams: SDVT-1 in Pearl Harbor. And SDVT-2 in Little Creek. In 2008, SDVT-2 was disestablished and merged into SDVT-1, which is now headquartered in San Diego. And operates detachments in Pearl Harbor and Little Creek. An SDV platoon consists of 12-15 SEALs. (SDV) and a Dry Deck Shelter. The normal table of organization includes three task units and a headquarters element. Each SDV Task Unit operates independently from a host submarine in the conduct of Naval Special Warfare missions. SDV Task Units typically deploy aboard host submarines, but may be deployed from shore or surface ships. SDVT-1 conducts operations throughout the Pacific. Command’s and Central. Command’s geographic areas of responsibility. Never personally given any of the coins. All coins are guaranteed to be in excellent condition unless otherwise specified above. The free listing tool. The item “SEAL / SUB Delivery Vehicle Team SDVT-1 Serial #294 Chiefs Navy Challenge Coin” is in sale since Thursday, April 6, 2017. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Challenge Coins”. The seller is “rolyat11″ and is located in Panama City, Florida. This item can be shipped worldwide.