Active Defence & Response
Coordinated response under human intent
Detecting a threat is not the same as acting on it. Most systems stop at the alert.
Act inside the window. Optimus Viper responds space to space, at machine speed. Where a response exists at all, it is usually one high-value asset reacting alone, or a person re-planning a manoeuvre under time pressure no process was built for.
01
Multiple vehicles, one threat
Several attritable Optimus Viper vehicles close on a confirmed threat together, rather than one asset acting alone.
02
Intent set once
An operator approves the intent; Solstice OS plans the manoeuvre and coordinates every vehicle that executes it.
03
Effect on machine timelines
Response happens space to space, inside pre-approved parameters, with a human retaining authority throughout.
Most systems raise the alert and hand it to a person. Solstice OS carries it through to effect, inside intent a human has already set.
Many spacecraft acting together, on machine timelines, against a confirmed threat. Detection to response tasking in under 60 seconds, inside the window, with authority retained.
01
Intent-based command
One operator sets intent. The system plans the manoeuvre and coordinates the vehicles that execute it.
02
Coordinated response
Many attritable spacecraft acting together against a threat, rather than a single high-value asset.
03
Autonomous effect
Response executed on orbit within pre-approved parameters. Human-on-the-loop, not automated away.
Detection, decision and effect run as one sequence on machine timelines, with a person setting the bounds before the window opens. Act inside the adversary's manoeuvre window, not after it has closed.
Delivered by
Solstice OS sets the intent and Optimus Viper executes it, together, because a threat inside the window needs one system, not a handoff.

Solstice OS
Solstice OS turns approved intent into a plan, and coordinates the vehicles that carry it out.
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Optimus Viper
Optimus Viper responds space to space at attritable cost, so coverage is sustained across many assets rather than reserved for one.
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Proven where it counts
STARS proves this capability live. Once mature, it integrates into Solstice OS to coordinate a fleet of Optimus Viper Rapid Response Vehicles and turn detection into action.
- STARS
- Live
- Contract Value
- $2.9M
24-month programme, concept to working prototype
Developed for Defence Australia's Advanced Strategic Capabilities Accelerator

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