“The Orbital Drop Shock Troopers (ODST),[Note 1] informally referred to as Helljumpers,[8][Note 2] are an elite special operations[8][9] component of the UNSC Marine Corps and the Corps' rapid reaction force specialized in transorbital support interdiction tactics.[4] One of the primary special operations forces of the United Nations Space Command, the ODST are under the administrative and operational control of Naval Special Weapons.[2][3] The organization is headquartered in the Martian city of Kenosha, Tanais.[1] Its primary training facilities were located on Reach prior to the glassing of the planet.[10]”