MSS Predator - Predator class battleship
MSS Trident - Predator class battleship
MSS Independent - Klingon B'red class light scout - currently in Romulan space, having been invited by the Romulans to attend a diplomatic event.
USS Gates - captured Intrepid Class long range multi-purpose scout
USS Monitor - captured Nebula class multi-purpose heavy cruiser
MSS Endurance - Prototype ship being built