USS Pittsburgh Chief's Mess Navy Challenge Coin Police United Nations Command Security Battalion

United Nations Command Security Battalion BNDCO Joint Security Area JSA Pan Mun Jom DMZ Korea Military Challenge Coin

CH-47D Chinook military helicopter operating with the call sign Extortion 17 (pronounced "one-seven") was shot down while transporting a Quick Reaction Force attempting to reinforce a Joint Special Operations Command unit of the 75th Ranger Regiment in the Tangi Valley in Maidan Wardak province

The images are all stand-alone photos

Please see picture

It has the letters VSZ on the coin

USS Pittsburgh Chief's Mess Navy Challenge Coin Police United Nations Command Security Battalion1 3 4 inch Challenge Coin