Re: USS Copernicus, NCC-640 or 623?
^ If you're concerned about registry numbers, don't be. You can make them anything you want. There's no rhyme or reason to them. Whatever "Jeffries rule" may have existed, doesn't have to be binding.
Sweet dreams are made of cheese
Who am I to diss a Brie?
I Cheddar the world and the Feta cheese
Everybody's looking for Stilton