We're advancing as sure and as fast as we can
Con menos de cuatro años antes de que la Estación Espacial Internacional concluya su vida útil, la humanidad se enfrenta a una pregunta que trasciende la ingeniería: ¿quién custodiará nuestra presencia en órbita? Vast Space, una empresa privada, ha avanzado más que ninguna otra en responder ese llamado, ensamblando Haven-1, la primera estación espacial comercial, con miras a un lanzamiento en 2027. Más pequeña y más humana que su predecesora, esta estación no pretende reemplazar lo que fue, sino imaginar lo que puede ser: un nuevo tipo de hogar suspendido entre la Tierra y el cosmos.
- El reloj corre: en 2030, Estados Unidos perderá su única presencia permanente en órbita si el sector privado no llena el vacío a tiempo.
- Haven-1 ya tiene su estructura principal completa y está en fase de integración en sala limpia, con certificación prevista para finales de 2026.
- Vast Space lleva entre uno y dos años de ventaja sobre competidores como Axiom Space y Blue Origin, aunque la carrera por los contratos de la NASA aún no ha terminado.
- El mayor interrogante no es técnico sino existencial: ¿podrán cuatro personas vivir, trabajar y confiar en este pequeño mundo nuevo durante semanas enteras?
- La NASA seleccionará este año a los contratistas que construirán las estaciones del futuro, convirtiendo 2026 en un año decisivo para el destino de la exploración espacial humana.
La Estación Espacial Internacional tiene menos de cuatro años de vida operativa. Cuando se retire en 2030, no habrá presencia estadounidense en órbita a menos que las empresas privadas logren construir una alternativa a tiempo. En esa carrera, Vast Space ha tomado la delantera.
Haven-1, la estación que la compañía está ensamblando ahora mismo, está prevista para lanzarse en el primer trimestre de 2027, fecha que el CEO Max Haot describe como sólida y sin retrasos recientes. Aunque el calendario original apuntaba a mediados de 2026, la empresa prefirió avanzar con certeza antes que con prisa. Según Haot, siguen por delante de cualquier otro competidor por al menos un año, posiblemente dos.
La apuesta de Vast es deliberadamente modesta en escala pero ambiciosa en concepto. Con apenas 45 metros cúbicos de volumen interior —frente a los 387 de la ISS—, Haven-1 no busca replicar a su predecesora, sino redefinir qué significa habitar el espacio. Diseñada para acoger a cuatro personas durante misiones de hasta 30 días, la estación se acoplará a la cápsula Dragon de SpaceX, que proporcionará soporte vital durante las estancias.
La estructura principal ya está terminada y los sistemas secundarios han superado las pruebas de aceptación. El siguiente paso es la integración en sala limpia, donde se instalarán los sistemas de control térmico, propulsión, paneles interiores y aviónica. Para otoño se espera el cierre de la estación, seguido de pruebas completas en las instalaciones de la NASA en Plum Brook antes del lanzamiento.
Haven-1 llegará a órbita sin tripulación a bordo de un Falcon 9. Vast validará entonces la seguridad y habitabilidad de la estación durante una misión simulada de 30 días antes de enviar a los primeros astronautas. El momento exacto de esa visita tripulada depende, en gran medida, de que SpaceX confirme que el acoplamiento es seguro. En esa pregunta —si las piezas encajan, si los sistemas se comunican, si los humanos pueden realmente vivir ahí— reside el verdadero desafío que determinará si la ventaja actual de Vast se convierte en un legado duradero.
The International Space Station has less than four years left. When it reaches the end of its operational life in 2030, there will be no American foothold in orbit—unless private companies can build one first. That race is accelerating, and one competitor has already pulled ahead.
Haven-1, built by Vast Space, is being assembled right now for launch in the first quarter of 2027. The station was originally scheduled to fly in mid-2026, but the company pushed the date back. Max Haot, Vast's chief executive, explained the shift in an interview with Ars Technica: the company wanted to move at a pace that was both fast and certain. "This is our first space station and we're advancing as sure and as fast as we can," he said. "That's the date we're confident we'll hit now. We've been tracking that date without slips for quite some time. And it's still probably a year, maybe two or even more, ahead of anyone else."
The advantage comes partly from ambition scaled to reality. Haven-1 is deliberately small—45 cubic meters of internal volume, compared to the ISS's 387. It is not meant to replace the aging station. Instead, it is a proof of concept: a demonstration of what a new generation of orbital habitat could look like, one built around human comfort and livability rather than scientific experiments and technology demonstrations. The station will dock with SpaceX's Dragon capsule, which will provide life support and allow crews of four to stay aboard for weeks at a time. The initial plan calls for 30-day missions, with longer stays to follow.
NASA is choosing contractors this year—possibly two—to develop the commercial stations that will eventually replace the ISS. The main contenders are Voyager Technologies, Axiom Space, Blue Origin, and Vast Space. Vast has the most advanced design. The company recently cleared major development milestones: the main structure is complete, and secondary structures have passed acceptance testing. Assembly is moving into the clean-room integration phase, where thermal control systems, propulsion, interior panels, and avionics will be installed. Haot expects the station to be ready for closure by autumn, followed by a full test program at NASA's Plum Brook facility in late 2026, with launch to follow in early 2027.
When Haven-1 reaches orbit, it will arrive uncrewed aboard a Falcon 9 rocket. Vast will then spend time validating the station's safety and habitability over a simulated 30-day mission before sending a four-person crew for the actual test. But the timing of that crewed visit remains uncertain. It depends largely on whether SpaceX believes it can dock safely with Haven-1. That question—whether the pieces will fit, whether the systems will talk to each other, whether humans can actually live and work in this small, new world—is the one that will determine whether Vast's early lead becomes a lasting one.
Notable Quotes
This is our first space station and we're advancing as sure and as fast as we can. That's the date we're confident we'll hit now.— Max Haot, CEO of Vast Space
The Hearth Conversation Another angle on the story
Why does size matter so much here? Haven-1 is a tenth the volume of the ISS. How is that an advantage?
Because Vast isn't trying to do what the ISS does. The ISS is a research platform—it's built for experiments, for hosting scientists from a dozen countries, for proving technologies work in space. Haven-1 is built for people to live in it. Smaller means you can focus on the things that actually matter for a crew: air, water, temperature, a place to sleep. It's a different philosophy.
So this is a bet that the future of space isn't about science, it's about habitation?
It's a bet that habitation is the foundation. You can't do science in space if your crew is miserable or unsafe. Haven-1 is saying: let's get the basics right first. Let's prove we can keep four people alive and comfortable for a month. Then we scale up.
And the SpaceX docking question—that's a real risk?
It's the real risk. You can build a perfect station, but if the Dragon capsule can't connect to it reliably, it doesn't matter. It's the kind of problem that sounds small until it isn't.
Why is Vast ahead of everyone else?
They started smaller and moved faster. They didn't try to build the next ISS. They built something achievable, something they could actually launch in 2027 instead of 2029 or 2030. By the time their competitors finish their bigger designs, Vast will have real data from orbit.
And NASA gets to choose this year?
Yes. By then, Vast will have been flying for months. That's a powerful argument.