The NATO SEALs were aiding trapped members of the 75th Army Ranger regiment . There are 150,000 ISAF troops in Afghanistan , including just under 100,000 from the United States -- the largest NATO presence in the region since the U.S.-led war began in 2001 . 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 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 .