Startup Besxar Flies Semiconductor 'Fabships' on Falcon 9 Boosters, Betting the Vacuum of Space Can Make Purer Chip Substrates

Overview

A Washington, D.C.-based startup, Besxar Space Industries, is turning SpaceX Falcon 9 boosters into short-lived orbital test benches for semiconductor manufacturing. According to Spaceflight Now, two of Besxar’s manufacturing pods were set to fly as a secondary payload on Sunday’s Starlink 10-50 mission, launching at 6:50 a.m. EDT from Space Launch Complex 40 carrying 29 v2 Mini Starlink satellites.

The pods, which the company calls “Fabships,” are each about the size of a microwave oven and ride bolted to the first-stage booster rather than the second stage that carries the satellites, per Spaceflight Now. That gives them an eight-minute, 19-second ride to space and back, since the booster flies above the 100-kilometer Karman Line — reaching an altitude of about 115 kilometres — before returning for a landing on a drone ship in the ocean.

What We Know

The flight is the opening move in a multi-launch campaign. Besxar signed a launch agreement with SpaceX to send 24 Fabships into space aboard 12 Falcon 9 missions, two at a time, with the first flight able to occur as soon as this year, according to Space Explored. As Payload describes it, each Fabship is designed to integrate into the first-stage booster of a Falcon 9, run a manufacturing process, and return home safely.

These early pods belong to what Besxar calls its “Clipper Class,” and for this flight they carry a variety of terrestrial-manufactured semiconductor wafers to see how they hold up against the rigor of a rocket launch and reentry, Spaceflight Now reported. In its own announcement, the company says the Clipper-Class craft are engineered for short-duration, quick-turnaround sorties, and that the broader goal is to use the ultra-high vacuum of space to produce ultra-pure substrates and precursor materials, according to Besxar.

Besxar was founded in 2023 by Ashley Pilipiszyn, an early employee at OpenAI who now serves as founder and CEO, as reported by Payload. She frames the venture as a response to the physical ceilings the chip industry is running into. “We’re reaching the limits of what can be built on Earth. AI data centers are straining against power and cooling limits, silicon is nearing its physical edge, and fabrication plants can’t achieve the vacuum or yields that next-generation materials demand,” Pilipiszyn said, according to Spaceflight Now.

Unlike many space-manufacturing ventures that chase microgravity, Besxar’s pitch is centered on vacuum. “By taking the manufacturing process to orbit, Besxar is able to use the ultra-high vacuum of space to manufacture better semiconductor wafers,” Pilipiszyn told Payload. The rationale, as Space Explored puts it, is that recreating a high-quality vacuum on Earth is difficult and expensive, whereas in space the vacuum is perfect and stable.

The company lists NVIDIA’s Inception program among its early backers, according to Besxar, and SpaceX itself is listed as one of its investors, per Spaceflight Now. Besxar says it is targeting customers across AI data centers, quantum computing, nuclear systems, and next-generation defense and directed-energy applications, according to Besxar.

What We Don’t Know

The results of the flight are not yet public. The Clipper-Class pods on this mission carry pre-made wafers as a survivability test rather than performing full fabrication in orbit, Spaceflight Now reported, so the launch does not yet demonstrate that vacuum-made substrates outperform terrestrial ones. Besxar has not disclosed yield figures, and it remains unproven whether a suborbital booster hop provides enough time or the right conditions for commercially useful production.

Analysis

Besxar’s approach reframes a routine Starlink launch as a manufacturing platform: instead of a dedicated, and far more expensive, orbital mission, the Fabships hitch a ride on hardware SpaceX is already flying and recovering. That piggyback economics is central to the model — Payload notes the pods are reusable and return with the booster, allowing the company to refly and refine them.

The effort lands amid a broader push to move parts of the computing stack off Earth. SpaceX has asked U.S. regulators to approve orbital data-center satellites, as previously reported. Besxar is pursuing a narrower slice of that thesis — not compute in orbit, but the raw materials that go into terrestrial chips — betting that the vacuum of space can do something fabs on the ground cannot.