The 3rd Battalion, 320th Field Artillery Regiment (3-320th FAR) is a Field Artillery Branch battalion assigned to the 3rd Brigade Combat Team, 101st Airborne Division. The battalion has been assigned to the 82nd Airborne Division, 11th Airborne Division and 101st Airborne Division. The battalion has participated in World War I, World War II, Operation Desert Storm, Operation Enduring Freedom, and Operation Iraqi Freedom.