U.S. Army Sgt. Derek Barnett, from Summerville, Maine, assigned to 118th Military Police Airborne Company, 3 BSTB, 3/10th Mountain Division, speaks to his platoon about setting up a 360 degree perimeter after dismounting a CH-47 Chinook prior to departing for a night operation in Logar province, Afghanistan, Nov. 4, 2009.
Spc. Richard Jones
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