Operation Iraqi Freedom
The battalion saw combat during Operation Iraqi Freedom as part of Task Force Tarawa in 2003 and with the 24th Marine Expeditionary Unit in 2004, having combat operations in Iskandariyah, Musayyib, Haswa, and Jurf Al Sakhar, located in the Babil province. In the summer of 2006, the battalion completed their third tour in Iraq as part of the 22nd Marine Expeditionary Unit in Hīt located within the Al Anbar province. In March 2007 the battalion on its 4th combat deployment operated in Kahn ar Bagdadi, Ar Rutbah, and Anah, located in Al Anbar province. From July 2008 through February 2009 the battalion deployed to Al Habbaniyah in the Al Anbar province. The battalion also spent a portion of its 5th deployment to Iraq in Sinjar, located in the Ninawa province.
Operation Enduring Freedom
The battalion deployed to Afghanistan in support of Operation Enduring Freedom in March 2010. Their area of operations (AO) included Now Zad, Salaam Bazaar, Karimanda, Kunjak, Musa Qal’eh, and the Musa Qal’eh Wadi down to Sangin. The battalion took heavy casualties but was able to push out a large portion of the Taliban in the AO and double the size of the AO that they were responsible for. 1/2 came home in late September when they were relieved by 1st Battalion 8th Marines.