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Orbital Operations lands $35M Pentagon deal, adds $7M seed extension

What's the deal? Orbital OperationsDealroom has a profile for this one. Try Dealroom → has won up to $35 million from the US Department of Defense to fly a full-scale, in-orbit demo of Astraeus, its cryogenic-maneuvering vehicle. The Long Beach, California startup also closed a $7 million seed extension led by DTX VenturesDealroom has a profile for this one. Try Dealroom →, bringing total funding to about $16 million.

The round drew GoAhead VenturesDealroom has a profile for this one. Try Dealroom → and Solaris Ventures, plus follow-on money from Initialized Capital, HarpoonDealroom has a profile for this one. Try Dealroom → Ventures, and TRACDealroom has a profile for this one. Try Dealroom → VC. At $7 million, the extension lands in the top 10% of all US deep-tech seed rounds on record.

What's the endgame? Astraeus is designed to bring launch-vehicle-class propulsion to orbit, acting as what cofounder and chief executive officer Ben Schleuniger calls a "reusable third stage." An onboard refrigeration system aims to keep its liquid hydrogen and oxygen from boiling off, letting the vehicle loiter in orbit for years rather than the week a disposable stage lasts.

The same base vehicle can be fitted for logistics, tactical, or refuelling missions, mirroring the Lockheed C-130's mission-dependent variants. After ferrying payloads to higher orbits, Astraeus is built to return to low Earth orbit to refuel.

Why now? "Space is now a contested environment," Schleuniger told Payload. He pointed to SPACECOM's 2029–2033 priorities, which name sustained space maneuver as a top need, and to Russia's Cosmos 2612, which LeoLabs tracked closing to roughly 500m of a US-flagged radar satellite this month before drifting away.

The company wants to carry out maneuvers within single-digit hours of a command — well inside the 48-hour window Schleuniger said military operators want.

What could go wrong? The DoD money funds a prototype, not proof that the cryogenic storage system or Astraeus works in orbit. The 13-person team went from closing its seed round to a full-pressure hot-fire in under six months, with more engine tests, refrigeration-cycle work, and qualification still ahead of a first flight.

The signal: The award reflects a shift from studying orbital mobility to funding flight demos, following Space ForceDealroom has a profile for this one. Try Dealroom → backing for Starfish Space's $54.5 million Otter servicer and Gravitics' transfer-vehicle work. Orbital Operations targets a harder, less-proven capability — keeping cryogenic propellant usable long enough for a high-thrust vehicle to respond fast. More fundraising is likely, but the government award "is really to get us to that first flight," Schleuniger said.

Read more: payloadspace.com

Image credit: Orbital Operations

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