Welcome to Star Trek Answers. What would you like to know?

It's the standard designation for an experimental craft. It has never been explained in canon, but best guess would put it as "Naval Experiment", as NCC is commonly assumed to mean "Naval Construction Contract"

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.