He was the Deputy Commanding General of the Multi-National Corps - Iraq in late 2006 and early 2007.

There, III Corps headquarters assumed duties as Headquarters Multi-National Corps - Iraq, relieving V Corps.

Task Force 34 was the Corps Combat Aviation Brigade as part of Multi-National Corps - Iraq (MNC-I).

Multi-National Corps - Iraq (MNC-I) was a formerly multinational, then United States only, army corps created on 15 May 2004, fighting the Iraq War.

Multi-National Force-Iraq was established to handle strategic level issues while Multi-National Corps - Iraq, a subordinate command, directed the tactical battle.

It supported Multi-National Corps - Iraq.

By December 2006, the brigade commanded all engineering formations in Multi-National Corps - Iraq, including engineers from other branches of the US Military, for a total of 3,300 soldiers.

I Corps filled the role of Multi-National Corps - Iraq at Al-Faw Palace.

In 2007, Cunningham was mobilized by XVIII Airborne Corps and served as the senior trial counsel, Multi-National Corps - Iraq.

Later in March Stirrup was in Baghdad and he met with General Petraeus and General Austin, the commander of the Multi-National Corps - Iraq.