M-EDF 9/21/1[1] was a United Nations Space Command Marine Corps battalion assigned to the Epsilon Eriandus System.
In 2513[2], it was commanded by Lieutenant Colonel Ponder, and had an operation at Elysium City, Eriandus II.
- ^ Halo: Contact Harvest, page 111
- ^ Halo: Contact Harvest, page 112
- ^ {{{Text}}}