US soldiers prepare for the landing of a CH-47 Chinook helicopter in Afghanistan in this 2009 photo. The helicopter is similar to the one that was shot down on Friday killing 38 US and Afghan troops in Wardak province south-west of Kabul.
US soldiers prepare for the landing of a CH-47 Chinook helicopter in Afghanistan in this 2009 photo. The helicopter is similar to the one that was shot down on Friday killing 38 US and Afghan troops iShow more

Taliban claim new weapon after US helicopter crash