This is a study of the Second Battle of Fallujah, also known as Operation Al-Fajr and Operation Phantom Fury. Over the course of November and December 2004, the I Marine Expeditionary Force conducted a grueling campaign to clear the city of Fallujah of insurgents and end its use as a base for the anticoalition insurgency in western Iraq. The battle involved units from the Marine Corps, Army, and Iraqi military and constituted one of the largest engagements of the Iraq War. The study is based on interviews conducted by Marine Corps History Division field historians of battle participants and...