The Ukara'ta'mua was a Wa'h'kr'aa'ta-class cruiser that was fielded by the M'rok during the 24th century. In 2371, the Ukara'ta'mua took part in the Battle of the Blue Spiral Nebula. During the battle it destroyed two Taurhai Firedrakes between it was destroyed by a uncontrolled warp core breach brought on by combat damage. (Ship Recognition Manual, Volume 5: Starships of the Romulan Star Empire)