List of unnamed Vulcan cruisers.
Enterprise attack
In 2154, two unnamed Vulcan cruisers along with a combat cruiser attacked Enterprise while in orbit of Vulcan, forcing it to withdraw. The ships then proceeded to conduct an orbital bombardment of the Syrrannite settlement in the Forge. (ENT: "Awakening")
Battle of Andoria
Several unnamed Vulcan cruisers were part of the Vulcan fleet, ordered by Administrator V'Las to attack Andoria in 2154. Four D'Kyr-type ships and several Vulcan fighters were also part of this fleet. (ENT: "Kir'Shara")