The NATO SEALs were aiding trapped members of the 75th Army Ranger regiment . The SEALs were killed during a mission against a Taliban leader . The current whereabouts of the Navy leader is not clear . Insurgent attacks kill 22 Taliban service members year 's end .
The Navy SEALs were aiding trapped members of the 75th Army Ranger regiment . The SEALs were killed during a mission against a Taliban leader . The current whereabouts of the Taliban leader is not clear . Insurgent attacks kill four NATO service members Sunday .