D'ridthau class

The warbird was a type of battlecruiser starship fielded by the Romulan Republican Force in the early 25th century. It was a refit variant of the venerable warbird. 

History
The class was named for the, the flagship of the Romulan Star Navy forces during the Battle of Cardassia in 2375, which was destroyed during the fighting. 

Technical data
Many sections of the D'ridthau-class's structure were interchangeable with corresponding parts of the D'deridex-class from which it was derived. The D'ridthau-class featured a standard Romulan cloaking device along with a molecular phase inverter that enabled it to phase itself out of the normal universe for brief periods of time.