The 2nd Battalion, 7th Cavalry was attached to the 39th BCT although assigned to 3d BCT, 1st CAV. The unit deployed to Iraq under the command of LTC Charles Forshee seven months after arrival in Iraq and was succeeded by LTC James Eugene Rainey in August 2004, the 2nd Battalion supported US Marine Corps operations during the battle of Najaf (2004) and the Battle of Fallujah.