October 2006 – December 2007 1st Battalion deployed as part of 3rd Brigade Combat Team, 1st Cavalry Division to Baqubah, Iraq. Under the command of LTC Goins and CSM Harris. While in Baqubah the battalion was spread then across the Diayla Province, then known as a safe haven for ISI (Islamic State of Iraq) and AQI (Al Queda in Iraq). Baqubah was announced to be the capital of the ISI and the coalition forces were to be routed out. After 7 months, Operation Arrowhead Ripper was initiated. The operation was success, with the city and infrastructure becoming more secure. The 1–12 CAV was in Baqubah for 15 months.