Secret Service K9 EOD Unit Challenge Coin Army Special Forces 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

military personnel killed

and original artwork done for the coin

The range was originally established as the White Sands Proving Ground on 9 July 1945

Secret Service K9 EOD Unit Challenge Coin Army Special Forces CH-47D Chinook military helicopter operating1 3 4 inch Challenge Coin Secret Service K9 EOD Unit Challenge Coin Canine Explosives Detection Unit Uniformed Division