In it's role as fleet escort the frigate does not deviate entirely from the Destroyer. However, whereas the destroyer is designed to counter specific threats, the frigate is intended to be a more independent contribution.

They are usually armed with a myriad of systems, both defensive and offensive, and while smaller than a Cruiser, are expensive for their mass and purpose. Frigates tend to be part of a fleet's vanguard in any case

Known Models