 On 31 July 2004 the 11th Marine Expeditionary Unit, under the Polish-led Multinational Division Central-South (MND-CS), assumed operational control of the Iraqi provinces of An Najaf and Al Qadisiyah from Task Force Dragon, composed of elements of the 1st Infantry Division.During August 2004, the MEU, led an assault consisting of 1st Battalion, 4th Marines; 1st Battalion, 5th Cavalry Regiment, 1st Cavalry Division; and 2nd Battalion, 7th Cavalry Regiment, 1st Cavalry Division, against the Islamist Mahdi Army of Muqtada al-Sadr in Najaf.The battle ended with a negotiated ceasefire later that month.