VAELON
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How it works

Before it acts, Vaelon checks it.

Spacecraft are starting to make more of their own decisions, adjusting their own orbit, choosing what to photograph, responding to a problem without waiting for the ground. That’s valuable, but it also means a mistake can happen fast, with no one watching in real time. Vaelon is the independent check in between.

01

Something decides to act

The spacecraft’s onboard computer, or an AI planner, decides to do something: point a camera, fire a thruster, change mode, send data down.

02

Vaelon checks it

Before that action happens, Vaelon checks it against a fixed set of safety rules: is there enough power left, is it too hot or cold, is there enough fuel, is anything nearby, has anything failed. These rules don’t change and can’t be argued with.

03

It happens, or it doesn’t

If everything checks out, the action goes ahead. If not, Vaelon stops it and the spacecraft falls back to a safer action instead. Either way, the decision is written into a permanent record that can’t be edited afterwards.

WHAT’S DECIDINGOnboard computeror an AI planner
THE CHECKVaelonindependent, fixed rules
WHAT HAPPENSThrusters, cameras, radiothe hardware itself

Why it’s built this way

Think of it less like software and more like a mechanical interlock, the kind that stops a lift moving with the doors open. It doesn’t matter why the doors are open; the interlock doesn’t reason about it, it just holds. Vaelon works the same way: the safety rules hold regardless of what the onboard intelligence decides.

Vaelon Space

Space autonomy
needs runtime assurance.

Make assurance part of the mission before autonomy becomes mission critical.

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