In May 2003, the division deployed to Iraq and assumed responsibility for Baghdad, under command of Major General Ricardo Sanchez, relieving the 3d Infantry Division. The 1st Brigade, under Colonel Michael Tucker and after July 2003 under Colonel Peter Mansoor, assumed responsibility for the Rusafa and Adhamiya districts of central Baghdad. The division was scheduled to return to Germany in April 2004 but was extended in country an additional 3 months in order to oppose an uprising of Shia militia led by Moqtada Al Sadr. During the extension Task Force 1–37 Armor ("Bandits") fought Sadr's forces in Karbala while Task Force 2–37 AR ("Dukes") along with elements of 2–3 FA ("Gunners") fought in Diwaniya, Sadr City, Al-Kut, and Najaf. Task Force 1–36 IN ("Spartans") became the Combined Joint Task Force 7 Operational Reserve and conducted operations along Route Irish from Baghdad International Airport to the Green Zone in support of the 1st Cavalry Division. Forces from the 2d Brigade fought in Kut. During its 15-month deployment, the division lost 133 soldiers.