USS Relativity
From Star Trek: Theurgy Wiki
The USS Relativity (NCV-474439-G) was a 29th century Federation Wells-class starship operated by Starfleet. This timeship was commissioned at the University of Copernicus, and was under the command of Captain Ducane when it visited the year 2381. The vessel was equipped with powerful sensors capable of scanning throughout spacetime, and a temporal transporter capable of beaming an individual to virtually any point in space and time.
The Relativity was involved in a mission to avert the destruction of the USS Theurgy. The Relativity successfully treated the members of the Theurgy for the contagion they had picked up on Niga in January of 2381, ending the outbreak that had wreaked havoc ever since ThanIda zh'Wann beamed back up from the planet's surface.
The Relativity was also the timeship that picked up Sarresh Morali from late 24th century and brought him into the future. After spending two subjective years with the Relativity’s officers and crew, Morali was returned to his time, much to his displeasure.
The Relativity’s dedication plaque listed members of the Temporal Integrity Commission and contained a quote from E.M. Rauch: "The only reason for time is so that everything doesn't happen all at once."