Naval Special Warfare Command. Condition : Used and in good condition. This coin is 1 5/8 inches in diameter. Contract awarded 19 July 1991 to. Her keel was laid 16 June 1993, and she was launched 26 February 1994. She was delivered 7 October 1994 and commissioned 28 January 1995. 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 “USS Chinook (PC-9) Naval Special Warfare Command Navy Challenge Coin” is in sale since Monday, November 7, 2016. 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.