9th Marine Expeditionary Force

The 9th Marine Expeditionary Force was a UNSC Marine Corps Expeditionary Force consisting of veteran Marines that made up one of many units serving in the Eridanus system in anti-terrorism operations. This unit was a critical part of the UNSC's fight against the Insurrection.Halo: Contact Harvest, page 111
==Elements==
*21st Marine Division
**1st Battalion
==Sources==
Category:UNSC Marine Units