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Horizon
The vehicle that carries people to Mars. Horizon pairs a nuclear-thermal transfer stage with a chemical descent stage and a habitation core designed for the full journey and return.
Mars crew vehicle
Mars transfer / surface
Nuclear-thermal core, chemical landing
38.0 m
45 t dry
12 crew, 900-day endurance
3+ interplanetary round trips
Horizon operates the mars transfer / surface leg of the network. It is rated for 3+ interplanetary round trips and returns between flights with inspection only — no structural refurbishment.
All figures are conceptual and describe a design intent, not a flown vehicle.