The Alonia was a Jenchum battle cruiser under the command of Captain Thelius.

In 2367, the Alonia challenged the USS Prospect's right to be in orbit of Goffan IV, but backed down once they received the authorization papers from the Prospect.

One of its shuttles went to the surface to observe, and later, assist the Starfleet away team on the planet's surface. (Star Trek: The Prospect Chronicles: "Starry, Starry Night")

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