The Goraxus is a D'deridexClass B-Type Romulan Warbird, usually commanded by Colonel Sela of the Tal Shiar. On Stardate 48715 (2371) USS Twilight was sent on a "Mercy Mission" at the bequest of the Romulan empress. Twilight is a refit medical research vessel attached to Starfleet Intelligence, with the general mission to counter biogenic and metagenic weapons. Sela had deliberately infected the entire Royal Family (excepting herself of course) with a biogenic weapon. Had Col. Sela succeeded, it would have left Sela with the Throne. Adm. Uhura got involved at the request of Ambassador Spock (the empress' lover, as she was the Romulan commander Kirk and Spock stole a cloaking device from in 2268.) Uhura recalled Twilight immediately, refit the ship with a Federation interphasing cloak device