Later, as part of the 15th Marine Expeditionary Unit on the first Naval Expeditionary Strike Group-1 (ESG 1), they deployed in early 2005 to the western Pacific. During this deployment, they provided aid for the tsunami that hit Indonesia and Sri Lanka. After 3 weeks of assistance, the MEU headed for the Persian Gulf. There, they provided safety and security operations in Babil province south of Baghdad. Their forward operating base was Camp Falcon near Al-Mahmoudiyah and they spent 1 month there. The combat units performed continuous foot and vehicle patrols in the area, finding weapons caches and unearthing IEDs. One Marine was wounded in action during this deployment.