The RIS Cosasius was a Romulan Talon-class scout starship in service of the Romulan Star Empire's Star Navy in the 24th century. This ship was in active during the Borg invasion of 2377. (TNG video game: Armada II)
- No history or fate is established for this vessel as its name was randomly selected for a Talon-class vessel by the game software.
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