21st Marine Division

21st Marine Division
Allegiance	United Nations Space Command
Branch	UNSC Marine Corps
Type	Infantry division
Role	Locate close with and destroy the enemy by fire and maneuver and repel the enemy's assault by fire and close combat
Size	15,000+
Part of	9th Marine Expeditionary Force

The 21st Marine Division was a UNSC Marine Corps unit during the Insurrection and the Human-Covenant war. Its First Battalion was commanded by Lt. Colonel Ponder.