NEW : In August 2011 , the Taliban shot down a Chinook helicopter killing 38 on board , including 22 Navy SEALs and other members of U.S. special operations forces . The Taliban says it is not responsible for the attack . The Taliban suffered its largest loss of life in a single day in the attack .
NEW : The Taliban says it is not responsible for the attack . The Taliban suffered its largest loss of life in a single day in the attack .