The compound is manned by a company of soldiers from the 3rd Armored Cavalry Regiment.

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McMaster, commander of the Army's 3rd Armored Cavalry, which is responsible for security in Tal Afar, told CNN.

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The Army's 1st Cavalry Division and elements of the 4th Infantry Division, as well as the 3rd Armored Cavalry Regiment and the 13th Corps Support Command, are based at Fort Hood.

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Dubbed Operation Thunder Blitz, it involved U.S. soldiers from the 3rd Squadron, 3rd Armored Cavalry Regiment, and Iraqi forces from the 1st Battalion, 2nd Commando Brigade (Wolf Battalion), the military said.

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Fort Hood, with about 40, 000 troops, is home to the Army's 1st Cavalry Division and elements of the 4th Infantry Division, as well as the 3rd Armored Cavalry Regiment and the 13th Corps Support Command.

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The reductions made in the U.S. force structure ensures that even if the United States decided to deploy its remaining four heavy divisions and one armored cavalry regiment, there would be no reserve comparable to that it enjoyed during Desert Storm -- four heavy divisions (two each in the United States and in Germany) and two armored cavalry regiments.

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