Earth's powerful naval force, newly and uncertainly implicated by the Donnager attackers' Earth-built engine signatures.
The United Nations Navy is the armed force associated with Earth in a system already sliding toward war between Mars and the Belt. The public evidence is unstable: the Canterbury attack appeared Martian, while the Donnager's destruction was blamed on the Belt. Both narratives have helped turn fear into military escalation.
The raw record in the Donnager data cube now matches the attackers' engines to standard light-cruiser units built at Bush Shipyards. James Holden recognizes that this may point toward UNN black operations, while Miller argues that a planted Earth-looking signature could be another deliberate provocation. Holden broadcasts the data without declaring the UNN guilty. At this point, the force is a possible source of the attackers' hardware, not a proven architect of the crisis.
The UNN is known through Earth-built light cruisers, military tactical data, distant war reporting, and the political weight of Earth's fleet rather than through a single on-page uniform or vessel.
The UNN becomes the latest dangerous apparent culprit in a conflict built from carefully managed blame.