US Army Pfc. Cristian Franco, assigned to 3rd Battalion, 509th Infantry Regiment, carries an M240B machine gun while descending a mountain path during a security patrol overlooking the Pesho Ghar valley and the Enzarkay Pass in Paktya province, Afghanistan, on March 2, 2012. (DoD photo by Staff Sgt. Jason Epperson, US Army/Released)

[Image courtesy of the US Department of Defense Website.]