I should have explained - the dragons can hold more regens than the bret ships. That's why I set them up like that with zero cash to prevent another slight imbalance.
Not to worry - the Bretonian Admiralty is cooking up something as we speak...
Possibilities:
allowing regens seeing as people are doing it anyway
armour upgrade for the Bret ships
introduce Mk1 light fighters for the Brets
giving Dragons starflier powerplant