Airman 1st Class Marty Gray, 91st Security Forces Group Global Strike Challenge team member, fires his M4 rifle during the weapons-firing event at the 2014 GSC on Camp Guernsey, Wyo., Sept. 24, 2014. The security forces portion of the challenge was split into three different events; tactics, weapons firing, and the mental and physical challenge. (U.S. Air Force photo/Senior Airman Brittany Y. Bateman)
<br>Unit: 5th Bomb Wing Public Affairs
Senior Airman Brittany Bateman
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