Naval Special Warfare Group Three. NOTE: The envelope is not part of the sale. This coin is 2 inches in diameter, actual unit coin, circa 2013, and a Vanguard product. 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. Naval Special Warfare Groups. Naval Special Warfare Command is organized into the following configuration. Naval Special Warfare Group 1: SEAL Teams 1, 3, 5, 7. Naval Special Warfare Group 2: SEAL Teams 2, 4, 8, 10. Naval Special Warfare Group 3. Naval Special Warfare Group 4: Special Boat Teams 12, 20, 22. Naval Special Warfare Group 11: SEAL Teams 17, 18 (formerly Operational Support Teams 1, 2). The total number of Navy SEALs assigned to Naval Special Warfare Command is approximately 2,000 out of a total staffing of 6,500. About half of the SEAL contingent are based at Little Creek Naval Amphibious Base. And Dam Neck Annex. The other half of the SEAL contingent is based at Naval Amphibious Base Coronado. 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 “Naval Special Warfare Group Three SDVT-1 NSWG-3 LOGSU-3 Navy Challenge Coin SEAL” is in sale since Wednesday, February 27, 2019. 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.