Full Breakdown
Vast Unveils New Large Docking Adapter for Future Space Stations
4/16/2026, 12:11:35 PM
Introduction to the Large Docking Adapter
On April 15, 2023, commercial space station developer Vast announced the introduction of its Large Docking Adapter, designed to facilitate docking between large space station modules and spacecraft. This new interface aims to address limitations associated with existing docking systems, particularly the International Docking Adapter (IDA) currently used on the International Space Station. Max Haot, CEO of Vast, highlighted that the existing IDA's narrow diameter restricts the transfer of large cargo and presents challenges when docking sizable modules or vehicles.
Technical Specifications and Development
The Large Docking Adapter features a diameter of 3.8 meters and increased rigidity, allowing it to support stations with up to 20 large modules. Additionally, it can function as a launch vehicle separation system, which is particularly beneficial for modules exceeding 20 tons. Haot noted that the industry lacks a separation system for such large modules, prompting Vast to develop this innovative solution. The company has already created a prototype for six-degree-of-freedom testing at its facility in Long Beach, California, and plans to publish an open-source standard for the adapter in May 2023.
Collaboration and Industry Impact
Vast intends to market the Large Docking Adapter to both private companies and government agencies. By publishing an open-source standard, the company aims to encourage other space agencies, cargo and crew vehicle manufacturers, and space station builders to adopt the new interface. Haot emphasized that the goal is not to establish a proprietary Vast standard but to foster collaboration across the industry. He stated, “Our goal at this stage is to invite any space agency, any cargo or crew vehicle manufacturer and any space station builders, including our competitors, to join the standard.”
Future Prospects and Related Announcements
While Vast will utilize the existing IDA for its upcoming Haven-1 and Haven-2 space stations, the development of the Large Docking Adapter is seen as a proactive measure to prepare for future large modules. Haot expressed optimism about seeing the adapter in use within a few years, potentially on a test module. In addition to the docking adapter, Vast also revealed the design of flight suits for crews visiting its space stations during the 41st Space Symposium, which are tailored for the microgravity environment.
Official Statements & Responses
Vast's leadership has articulated a vision for the Large Docking Adapter as a solution to existing docking challenges, with Haot stating, “As we get to the Starship era or, hopefully, more large crew vehicles, that interface is inadequate.” The company’s commitment to an open-source standard reflects a desire for industry-wide collaboration, aiming to enhance the capabilities of future space missions.
Verbatim Quotes
- “There are a few challenges with the docking interface that exists today,” — Max Haot, CEO of Vast
- “Our goal at this stage is to invite any space agency, any cargo or crew vehicle manufacturer and any space station builders, including our competitors, to join the standard,” — Max Haot, CEO of Vast
- “This is the flight suit for the commercial, crewed spaceflight era, and it’s really just the beginning.” — Andrew Feustel, Lead Astronaut at Vast
The introduction of the Large Docking Adapter represents a significant step forward in the evolution of space station technology, with potential implications for future large-scale space missions.
