HMS
HMS was a registry prefix that was used both in historical Earth naval ships and in starships.

The HMS prefix originated in the British Royal Navy, where it was used to denote warships as early as the 18th century. Some notable sailing ships with the prefix include , , and . 

In the 21st century the Royal Navy operated a submarine named  with the registry, suggesting it continued to be used at least until then. ()

Later the prefix was also used in at least two early 22nd century Earth starships of unknown affiliation,  and , both DY-class ships. ()

The name  was given to a Klingon Bird-of-Prey commandeered by James T. Kirk in 2285. It was named as such in a fit of historical irony, as the original Bounty, a Royal Navy ship, had been taken over by mutineers – a situation similar to that the former  crewmembers found themselves in that year. () 

HMS Pinafore was an Earth operetta by Gilbert and Sullivan about a sailing ship of the same name. ()

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Prefixes
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