Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
The 3rd Battalion 12th Marines (map designate: MAR 12 || 3/12) was an infantry formation of the UNSC Marine Corps during the Human-Covenant war. This battalion was garrisoned in the central Viery territory of the Human colony of Reach. It was a subordinate battalion under the 12th Marine Regiment during the invasion to counter Covenant Army landing forces.