Commercial Space Station Startup Vast Advances with Haven-1 Project

Extended summary

Published: 05.11.2025

Introduction

Vast, a startup focused on commercial space stations, is making significant strides in its efforts to establish a foothold in orbit. The company is currently working on its Haven-1 module, which is set to undergo extensive testing and validation to ensure its readiness for space missions. This initiative marks an important step in the burgeoning commercial space industry, as companies like Vast aim to create sustainable habitats for future space exploration and habitation.

Ongoing Integration and Testing

Vast's Haven-1 is in the midst of a comprehensive integration process that includes the installation of essential systems such as environmental control and life support, power distribution, data management, thermal control, and propulsion systems. These critical components are vital for the functionality and safety of the module once it reaches orbit. Concurrently, the company is preparing for its demo mission, known as Haven Demo, which will take place at an altitude of 300 miles (500 kilometers). This mission aims to validate various designs and systems, including computer operations, power management, software functionality, guidance and control mechanisms, propulsion, and communication systems.

Environmental Testing at NASA Facilities

In a significant move, Vast plans to transport Haven-1 from its headquarters in California to NASA’s Neil Armstrong Test Facility in Ohio. Here, the module will undergo rigorous environmental testing designed to simulate the conditions of low-Earth orbit. This includes assessments of acoustics, vibrations, and electromagnetic interference, which are critical for ensuring the module can withstand the harsh conditions of space. Furthermore, engineers will place Haven-1 into a test chamber to evaluate its performance under extreme temperatures and vacuum conditions, replicating the environment it will encounter in orbit.

Launch Preparations and Future Plans

Once testing is complete, Haven-1 will be shipped to Cape Canaveral, Florida, for final preparations ahead of its scheduled launch, which is currently set for no earlier than May 2026. This timeline reflects the extensive work still required to ensure the module is fully operational and ready for its mission. Upon reaching orbit, Haven-1 will facilitate crewed visits, with astronauts traveling aboard SpaceX’s Dragon spacecraft for two-week stays. The module offers a habitable volume of approximately 1,600 cubic feet (45 cubic meters), which is less than the primary modules of the International Space Station but significantly more than the capacity of a Dragon capsule.

Long-term Vision for Space Habitats

Looking ahead, Vast envisions a larger multi-module space station, dubbed Haven-2, which aims to support more extensive crews and longer missions in the 2030s. The current demo mission serves as a foundational step toward this ambitious goal. The satellite in orbit is equipped with systems that are architecturally similar to those planned for Haven-1, including 12 solar arrays that mirror the single array on the demo mission. This strategic alignment underscores Vast’s commitment to leveraging its designs and technologies for future advancements in space habitation.

Conclusion

Vast's progress with the Haven-1 module represents a significant development in the commercial space sector, highlighting the increasing interest in sustainable space habitats. As the company prepares for its upcoming demo mission and subsequent launch, it sets the stage for future innovations in human spaceflight and habitation. The successful deployment of Haven-1 could pave the way for more extensive space exploration and potentially reshape how humanity interacts with outer space in the coming decades.

Source: Ars Technica

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