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The Apex monthly · vol. 7 · 2025-12-01

First sovereign deployment, hypersonics, and the safety review

The first sovereign air-gapped Aether deployment went live. Hypersonics workload landed. External safety red-team published findings; we remediated and re-tested.

sovereignaerospacesafety
From the desk of Apex research + engineering

Two-minute read; links to the underlying papers, model cards and case studies inline.

01 · Research progress

Hypersonic re-entry workload landed with real-gas thermochemistry. Mach 8 stagnation flux validation against CUBRC at 4.2% error. External safety red-team published findings; we remediated and re-tested before this letter.

02 · Customer wins

First sovereign air-gapped Aether deployment is now live at a national-lab partner. Workload: defence-engineering trajectory analysis. ITAR-clean compartment. Zero outbound traffic.

03 · Model-card diffs

Refusal-corpus extension shipped with the v0.9 release: hypersonics weaponisation categories now refused at the tool-policy layer.

04 · An open question

How should we evaluate refusal accuracy when the refusal corpus itself is sensitive? Reply.

05 · What we read
  • (1) External safety red-team report — partner.
  • (2) On sovereign-air-gapped Aether deployments — Holst.
  • (3) Hypersonics validation summary — research desk.
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