This is a list of unnamed Earth starships of the NX-class.

Mirror universeEdit

In the mirror universe, in late January 2155, two unnamed NX-class battleships were part of Admiral William Gardner's fleet dispatched to stop Hoshi Sato from becoming the Empress of the Terran Empire. Sato's vessel, the USS Defiant a powerful Federation starship from the future, easily reduced these two battleships to dust. (ENT - Mirror Universe novel: Age of the Empress)

The Romulan WarEdit

At some point before 2156, three unidentified NX-class starships were led by Enterprise (NX-01) into battle against a Romulan fleet during the Earth-Romulan War. (ENT - The Romulan War novel: To Brave the Storm)

On the novel's cover, all of these ships bear the registry NX-01.

Later serviceEdit

By 2383, fifteen or sixteen NX-class starships were known to have been built. (TNG novel: Indistinguishable from Magic)

Not all of these sixteen ships have been identified by various media.



NX class cruiser starships
United Earth, Earth Starfleet Enterprise (NX-01)Columbia (NX-02)Challenger (NX-03)Excalibur (NX-03)Discovery (NX-04)Constellation (NX-04)Atlantis (NX-05)Slayton (NX-05)Endeavour (NX-06)Intrepid (NX-07)DefiantLexingtonAvenger (NX-09)Currie (NX-16)unnamed Seal of United Earth United Earth Starfleet emblem
Federation, Starfleet USS Utopia (NCC-2151-01)Challenger (NX-03) UFP seal Starfleet Command logo
Terran Empire Starfleet
(mirror universe)
ISS Enterprise (NX-01)ISS AkagiISS Avenger (NX-09)ISS BismarckISS BroadswordISS DauntlessISS InterceptorISS Khan's Wrathunnamed Terran Empire Logo
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