Vulcan cruiser (future)
This Vulcan cruiser was a type of Vulcan starship that was commissioned sometime after 2152. It shared a similar design lineage with the , but instead of a single "hoop" warp nacelle, it contained three rings arranged in a clover-shaped arrangement. 

Specifications for this starship class appeared in ' database while Captain Archer and T'Pol were searching for specifications of an  that was suspected to be from the future. 

Upon witnessing the starship class, T'Pol, who doubted the concept of time travel, was able to identify it as a Vulcan cruiser, but did not recognize the configuration. Archer, who was determined to prove time travel was real, noted to her that she did not recognize it because it had not been built yet. ()

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Cruiser