Naval Special Warfare Group Two. Logistics and Support Unit. Condition: Used, but in nice shape. It is 1 1/2 inches in diameter. NOTE: Never personally given any of the coins. All coins are guaranteed to be in excellent condition unless specified above. The item “Naval Special Warfare Group Two SEALs Log & Sup Command Navy Challenge Coin / 2″ is in sale since Sunday, July 29, 2018. 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.