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Vast's Haven-1 Enters Final Assembly Ahead of 2027 Launch

Vast's Haven-1 station assembly advances with a revised launch set for 2027, reflecting development delays amid NASA's commercial space station program.

  • Vast has moved Haven‑1 into its ultra‑clean final assembly clean room this week, and the company said Jan. 20 the launch slipped to the first quarter of 2027.
  • As a stepping stone, Haven‑1 is a compact demonstrator supporting Vast’s bid in NASA's commercial station competition amid a time crunch to replace the ISS, with Voyager Technologies, Axiom Space, and Blue Origin also competing.
  • Engineers are executing a three‑phase integration—sterility; avionics/guidance; habitation/MMOD—while fitting pressurized fluid and life‑support systems, followed by testing at NASA Neil Armstrong Test Facility later this year.
  • Vast argues vertical integration cut manufacturing costs tenfold, while CEO Max Haot highlights Haven-1's flight-proven hardware validated by the late-2025 Haven Demo, aiming to replace the ISS.
  • Looking ahead, Vast plans multiple Haven‑1 launches in the coming years and aims for Haven‑2 operations in 2028 with a core module 23 feet in diameter.
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Space broke the news in United States on Wednesday, December 17, 2025.
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