Tikar vessel was a spaceship of unknown class deployed by the Tikar as of year 2257. In March 2257 a vessel of this type made first contact with the Earth Alliance Starship Agamemnon, under the command of Captain John Sheridan, beyond the Saint Andre Nebula. From the Agamemnon's perspective, the Tikar vessel first appeared as a "green cloud." After establishing contact, Captain Sheridan was invited to come aboard the ship. He later remarked that he had never seen so much space aboard a starship.