The 101st Airborne, working alongside Iraqi troops, conducted a series of simultaneous, combined operations in the largely Sunni area just north of Tikrit. Designed to disrupt Al Qaeda networks, "Operation Iron Hammer" included raids on suspected insurgent safe-houses, as well as exhaustive searches for weapons caches and bomb-making materials. The Multi-National Force - Iraq press desk indicted Iraqi and coalition forces worked well together. Link here.