USS San Fransico Sub/Submarine SSN-711 Commander Navy Challenge Coin Firefighter CH-47D Chinook military helicopter operating

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

1/2 inch (approx) Challenge Coin

We know of this Marine Challenge Coin and one other which has the sig rune on it

All of the VSZ coins are rare and hard to find versions of the 12 SFGA Challenge Coins

USS San Fransico Sub/Submarine SSN-711 Commander Navy Challenge Coin Firefighter CH-47D Chinook military helicopter operating1 5 8 inch Challenge Coin