Its superior body, the Multi-National Force-Iraq (MNF-I) had replaced Combined Joint Task Force 7 on May 15, 2004.

The change was made due to "concerns that had existed for some period of time, that the Combined Joint Task Force 7 headquarters was not sufficient to handle the range of military operations in Iraq, including peace support, civil military operations, and at the same time conduct strategic engagement such as talking to the sheiks and talking to the political authorities.

The complete OIF-3 rotation to brigade level under MNF-I was as follows: Headquarters XVIII Airborne Corps

The 4th assumed responsibility on January 7, 2006 for four provinces in central and southern Iraq: Baghdad, Karbala, An-Najaf and Babil.

The complete rotation to brigade level under MNF-I is as follows: Headquarters: V Corps (Fwd) The Pentagon announced on 20 June 2006 the units that will be deploying to Iraq as part of the OIF 06-08 rotation of forces: Multi-National Corps-Iraq oversaw divisions in the north of Iraq (MND-N), in Baghdad (MND-B), and in the south (MND-S).