The U.S army soldiers of Viper Company of the 1-26 Infantry patrol on August 10, 2011 in Sabari district of Khost, eastern Afghanistan. (Kuni Takahashi / Getty Images)
The U.S army soldiers of Viper Company of the 1-26 Infantry patrol on August 10, 2011 in Sabari district of Khost, eastern Afghanistan. (Kuni Takahashi / Getty Images)
