OitB Unit Structures

Ilford Wargames Group


UN Military Structures: 2033

UN High Command

Following the discovery of interstellar travel, the UN was granted overall control of off-world forces and structured these as follows: -

  • UN General Assembly
    • International Organisation for Migration (Organises recruitment of colonists)
    • IAEA (Nuclear Energy Monitoring)
  • UN Secretariat
    • UN Department of Safety and Security (UN Facility Security)
    • UN Department of Interstellar Affairs (UN Diplomatic Corps)
  • UN Security Council
    • UN Chiefs of Staff Committee (Reconstituted as an oversight committee for the UNSF)
    • UNSF: UN Space Force
      • UNSN: UN Space Navy
      • UNST: UN Space Troops (Only authorised for deployment OFF earth)
      • UNSF Survey Command
      • UNMP: UNSF Military Police
    • UN Peacekeeping Forces
  • UN Trusteeship Council (Reconstituted for Space Colonies held in trust)
    • UN Trust Police constituted as:
      • UN Colonial Police (Habitable Worlds)
      • UN Outworld Police (Other Worlds and Belts)
  • ECOSOC
    • WHO (Quarantine Service)
    • UNESCO
      • ICSU: International Council for Science (Recruitment of survey unit scientific staff and coordination of scientific research for the UNSF)
  • International Court of Justice (Court of appeal for UNSF)

Note that the restriction of the complete disarmament of space was revoked when the possibility of contact with aliens was deemed imminent. This was later found to have been a prudent option.

The UNSF has found itself embroiled in two conflicts: On Ran (Epsilon Eridani), the C'thik are fighting a civil war about control of access to  the UN, and at Firefly the Oskhoak challenged the UN's access to the system.

UN Space Troops: Standard Units' Tables of Organisation

Infantry Brigade

  • Headquarters & Headquarters Company
  • Infantry Battalion x3
  • Recon Regiment
  • Engineer Battalion
  • Anti-Tank or Tank Battalion
  • Area Defence Battalion
  • Close Support Regiment
  • Artillery Battalion
  • Up to 3 of:-
    • Medical Company
    • Shuttle Landing Support Company
    • Military Police Company
    • Intelligence Company

Security Brigade

  • Headquarters & Headquarters Company
  • Police Companies x12
  • Recon Helicopter Unit (Atmposhere Based Brigades Only)
  • Helicopter Support Unit (Atmposhere Based Brigades Only)
  • Criminal Investigation Company
  • Police Depot
  • Riot Control Company
  • Transport Pool
  • Intelligence Unit

Light Brigade

  • Headquarters & Headquarters Company
  • Light Infantry Battalion x2
  • Cavalry Regiment
  • Engineer Battalion
  • Anti-Tank Helicopter Wing
  • Area Defence Battalion
  • Close Support Regiment
  • Artillery Battalion (or 3rd Infantry Battalion)
  • Up to 3 of:-
    • Medical Company
    • Shuttle Landing Support Company
    • Military Police Company
    • Intelligence Company
    • Commando/Ranger Company
    • Air-Element Maintenance Battalion

Logistics Brigade

  • Headquarters & Headquarters Company
  • Brigade Depot
  • Construction Battalion
  • Military Police Company
  • Intelligence Company
  • Medical Company
  • Up to 7 of
    • Logistics Transport Battalion

    • Air-Transport Maintenance Battalion

    • Dropfield Operating Battalion

    • Port Operating Battalion

    • Logistics Stores Battalion

Survey Brigade

n.b. Technically part of the Survey Command

  • Headquarters & Headquarters Company
  • Brigade Depot
  • Survey Company x4
  • Shuttle Support Company x4
  • Medical Company
  • Survey Shuttle x4
  • Logistics Transport Company

UNST Auxiliaries

The UNST has drawn on auxiliaries from two sources:-

  • National brigades deployed off-earth (on habitable planets)
  • Locally recruited troops officered by UNST officers from Earth

Obviously UNST specific units are preferred, but here aren't many of these available.

UNST Training and Equipment

There are four main training and equipment standards for UNST line troops:

  • Deployable in any atmosphere with an atmosphere/temperature sufficient to allow the troops to live
  • Deployable in any other atmosphere
  • Deployable in Vacuum
  • Deployable in Zero-G


The main sub-divisions of target environment are:-

  • Standard Troops
  • Paratroops
  • Jump Troops
  • Mountain Troops
  • Zero-G Troops
  • Marines
  • Close Terrain Troops (Jungle or Urban)


Transport may be supplied by:-

  • Cross Country Vehicle
  • Road Vehicle^
  • Tracked Vehicle
  • Helicopter*+
  • Hovercraft*+
  • Rail^^
  • Aircraft*++
  • Spaceship++
  • None
  • Ship**

*Which need special mechanical support to operate

^Which need roads

^^Which need railways

+Which need an atmosphere to operate in

++Which needs a runway to operate off

**Which need a liquid to operate in


The UNST's major problem is how to operate in an environment where the area to be protected is huge and the forces relatively few. The base and patrol method has been adopted with a landing field or spaceport as the start of the logistics chain and units radiating away from that partolling the area so as to prevent the siting of anti-spacecraft weaponry capable of interdicting the supply from orbit.

The secondary problem is how to operate in an environment where the air (if any), temperature and/or native flora, fauna (or whatever) may kill you even if the declared enemy isn't present.

The final problem (not a majopr one at present) is how to operate in an environment where your every move can be viewed from space and your units are vulnerable to orbital bombardment weapons.