USS Ironsides was an Excelsior-class heavy cruiser in Federation Starfleet service during at least the early 24th century.

Upon graduation from Starfleet Academy in 2330, Bayle Olin Erikssen was posted to Ironsides, which was on a patrol assignment along the Romulan border.

Erikssen served aboard Ironsides for five years. (Star Trek: Luna)


The ship's name was derived from "Old Ironsides", a nickname for the 17th-century British general and politician Oliver Cromwell. As well, "Old Ironsides" was a nickname for HMS Britannia, which fought in the American Revolution of the 18th century and Napoleonic Wars of the 19th century; and USS Constitution, a 44-gun U.S. Navy frigate.

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