Field Report FWL 2765 tells us that the Principality of Regulus had 2 warships. They were the cornerstones of the Regulus Squadron. One of them was the PRS Valor.
That's really all we know from that book. I'm not sure if any later books, like the Succession Wars books, shines more light on this. I've been looking.
So first question is does anyone know of more details on that? Warships of the Regulus Squadron at or after 2765, including during the Succession Wars. I do wonder if they might have added more warships in the lead up to the 1st Succession War. I'm going to dig around the 1st Succession War book, but if anyone beats me to that, great.
Second question, this gets speculative, what class(es) of warships do you think Regulus had? Opinions welcomed.