Iraq War order of battle, 2009

In military science terminology, the description of the units involved in an operation is known as the order of battle (ORBAT).

NATO and the U.S. Department of Defense define the order of battle as the identification, strength, command structure, and disposition of the personnel, units, and equipment of any military force.

There is a distinction in U.S. military terms between the troops of Multinational Force-Iraq and forces which fall directly under CENTCOM's control but are in Iraq also.

[1] The second force, which appears to be separate from TF 77, is the Combined Joint Special Operations Task Force-Arabian Peninsula (CJSOTF-AP).

34th Infantry Division - (Major General Rick C. Nash)—Contingency Operating Base Basra [18] Multi-National Division South, also known as Task Force Mountain, assisted the Iraqi Armed Forces with security in the area south of Baghdad ranging from Najaf to Wasit provinces extending to Basra.

[19] MND-Center took in portions of the area previously controlled by the long-disbanded Polish-led Multi-National Division Central-South.

It will share battle space with the other Services in an effort to close the seams in Doctrine, Tactics, Techniques, and Procedures, and Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance.

The British Armed Forces was the second-largest contributor of foreign troops to Iraq, behind the United States.

The British Army commanded the former Multi-National Division (South-East) (Iraq), which included UK, Italian, Australian, Romanian, Danish, Portuguese, Czech, and Lithuanian troops.

[39] 20th Armoured Brigade commanded the British forces in Iraq, which were then attached the U.S.-led Multi-National Division South.

The ADF also had 45 personnel embedded in various coalition headquarters and contributes two officers to the United Nations Assistance Mission for Iraq (UNAMI).

[43] It was supported and funded by all 28 NATO nations, and 14 nations had staff in theater as of January 2009, including Bulgaria, Denmark, Estonia, Hungary, Italy, Lithuania, Netherlands, Poland, Romania, Slovenia, Turkey, the United Kingdom, and the United States.