The NX-class Challenger was a United Earth explorer starship in Earth Starfleet service in the mid-22nd century.

Its only known commanding officer was Captain Roy Dunsel, who activated the ship's self-destruct system during an engagement with Romulan forces to prevent its systems from being acquired by enemy hands. (ENT novel: The Romulan War: Beneath the Raptor's Wing)

In different realities, Challenger has had different designations.

External link[edit | edit source]

Challenger (NX-03) article at Memory Beta, the non-canon Star Trek wiki.

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