Other participants included Armenia, Bosnia and Herzegovina, Bulgaria, Denmark, Kazakhstan, Latvia, Lithuania, Mongolia, Norway, Romania, El Salvador, Slovakia, Spain, Ukraine and the United States of America.

The Najaf Governorate was passed back to American control in 2004, due to reduction in strength of the forces under Polish command; this reduced the zone to about 3 million of population spread over 28 655 km².

According to mission statement the primary task of the MND CS was to oversee the transfer of the military and security in the areas under its control to the provisional Iraqi authorities.

In Bob Woodward's book State of Denial he recounts the experience of Frank Miller, who as of March 2004 was the senior director for defense on the National Security Council.

This was the shakiest part of the coalition—but an important fig leaf to suggest that the war was a broad international effort The Polish division commander told Miller, "I've got 23 separate national units.