Credit: U.S. soldiers with 1st Battalion, 320th Field Artillery Regiment, 2nd Brigade Combat Team, 101st Airborne Division (Air Assault), fire an M777 howitzer at Kara Soar Base, Iraq. (Photo by Sgt. Paul Sale, 2nd Brigade Combat Team, 101st Airborne Division (AA) Public Affairs)
Intense battles loom in US-led fight against ISIL
