U.S. soldiers from Dragon Troop of the 3rd Cavalry Regiment take part in their last exercise of 2014...
U.S. soldiers from Dragon Troop of the 3rd Cavalry Regiment take part in their last exercise of 2014 near forward operating base Gamberi in Laghman province December 31, 2014. REUTERS/Lucas Jackson (AFGHANISTAN - Tags: CIVIL UNREST POLITICS MILITARY)