This ship was in active service around the 2370s decade. (ST video games: Armada, Armada II) In 2385, the D'varian was commandeered by Romulan senator Bretorius and used to carry out attacks by Bretorius' controller, a renegade Cytherian named Proctor. Eventually, the crew retook the ship, captured Bretorius and handed him over to the Tal Shiar for interrogation. (TNG novel: Takedown)