USS San Fransico Sub/Submarine SSN-711 Commander Navy Challenge Coin Firefighter org/wiki/United_States_Marine_Corps_Scout_Sniper)

org/wiki/United_States_Marine_Corps_Scout_Sniper)

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

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 above story is from a previous issue of Skillset Magazine

1/2 inch (approx) Challenge Coin

USS San Fransico Sub/Submarine SSN-711 Commander Navy Challenge Coin Firefighter org/wiki/United_States_Marine_Corps_Scout_Sniper)1 5 8 inch Challenge Coin