The U.S.military has offered to set up a joint patrol system involving Iraqi government troops, Kurdish forces and U.S.troops.

VOA: standard.2009.09.10

and asked "What did they do?" In the northern city Mosul, a suicide bomber exploded a car near a checkpoint guarded by national and Kurdish forces.

VOA: standard.2010.05.10

General Jacoby says the Iraqi and Kurdish forces have begun to put aside political differences and, with American help, start to build what he called "a security architecture."

VOA: standard.2009.12.12

By and large, it seems like it's been something of a cakewalk for the Kurdish forces.

CNN: Wedeman: 'Little resistance' in Kirkuk

The bombed dwellings outside Mosul were under the protection of Kurdish forces.

ECONOMIST: Bombs in Iraq

KIRKUK, Iraq (CNN) -- A battalion from the 173rd Airborne Brigade has reinforced U.S. troops and Kurdish forces in the northern Iraqi city of Kirkuk, Maj.

CNN: U.S. reinforcements arrive in Kirkuk