Explore history, facts, modules, and life on board Haven-1.
Vast's first crew-capable commercial station, now in flight-article integration.
Haven-1 is a single-module, four-person commercial station designed for two-week crew visits and autonomous operations between missions. Vast lists a 10.1 m height, 4.4 m diameter, 45 m³ habitable volume, 14,600 kg mass, 13.2 kW power, and a 425 km, 51.6° target orbit. The company began phased flight-article integration in January 2026 and targets flight readiness in Q1 2027.
Flight readiness
Q1 2027
Vast's current integration schedule targets a flight-ready station in the first quarter of 2027; this is not an exact launch date.
Crew and volume
4 crew / 45 m³
Designed for four-person visits with 45 cubic meters of habitable volume and 80 cubic meters pressurized.
Target orbit
425 km / 51.6°
Planned low-Earth-orbit altitude and inclination published by Vast.
All values are approximate and vary with configuration.