An Afghan National Army soldier shows his peers how to use a tourniquet during a medical class, Feb. 25, 2013, in Farah province. The soldiers received a class from Afghan medics and coalition forces on how to properly use tourniquets in hopes to help save each others' lives in the event of them being injured on the battlefield. (U.S. Marine Corps photo by Sgt. Chadwick de Bree/Released)