Navy Seal Challenge Coin! Size: 1 5/8 inches in diameter. This is the only one i have in my collection. Naval Special Warfare Unit ONE. Naval Special Warfare Unit ONE, (NSWU-1), is based in Guam. Commanded by a Navy Commander (O-5), it consists of a headquarters element and has operational control of SEAL platoons and Special Boat Unit Detachments from the Naval Special Warfare Group ONE and from Special Boat Squadron ONE that forward deploy to NSWU-1 on a six month rotational duty. Currently, NSWU-1 maintains operational control of five forward deployed SEAL platoons and two SBU Rigid Hull Inflatable Boat (RIB) Detachments. NSWU-1 is under the administrative command of Naval Special Warfare Group ONE, but operationally reports to Special Operations Command, Pacific and US Navy Seventh Fleet for operational tasking. NSWU-1 provides operational support to forward deployed platoons and conducts theater planning for contingencies and exercises for Naval Special Warfare forces in the Pacific area of operations. NSWU-1 is capable of forming the nucleus of a Naval Special Warfare Task Unit (NSWTU). The item “Naval Special Warfare NSW Unit One Guam Task Force 71 Navy Seal Challenge Coin” is in sale since Friday, May 4, 2018. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Challenge Coins”. The seller is “vigorous1234″ and is located in Flower Mound, Texas. This item can be shipped worldwide.