RRW Deihu (prototype)

The RRW Deihu was a Romulan starship, the science science command warbird warbird, or command battlecruiser, prototype in Romulan Republic service in the early 25th century. 

History
The RRW Deihu shared its name with the warbird, the first flagship of the Romulan Republic, and heart of the Romulan Flotilla since 2409. 

The RRW Deihu was constructed at, and launched from, the New Romulus Shipyards during the Alpha Quadrant Alliance expansion into the Delta Quadrant. It was one of three prototypes for new tier 6 command battlecruiser warbird classes, alongside the  and the. All three were part of the Allied series of command battlecruiser classes, for a total of nine new Allied ship classes. 

The Deihu could be deployed on assignments by RRF admiralty personnel. (, admiralty system)