 During OPERATION RAIDER ISOLATION in June 2007, the Brigade, spearheaded by 2–1 Cavalry, prevented the exfiltration of Al Qaeda fighters from the critical city of Baqubah.These efforts contributed to the success of 3rd Brigade, 2nd Infantry Division's clearance of Baqubah in Operation Arrowhead Ripper.In July 2007, 2–12 Field Artillery put down a Shia extremist uprising in Husayniyah, effectively quarantining the city and ending the uprising with many casualties.