Pathfinder class (science vessel)

The Pathfinder-class long range science vessel was a type of starship in the Federation Starfleet during the early 25th century. It was a variant of the. 

History
Starfleet Corps of Engineers created the Pathfinder-class as an updated version of the for Operation Delta Rising. Most of the advanced technology accumulated on the USS Voyager (NCC-74656) was used in the Pathfinder-class. Admiral Tuvok approved the class production when complete. ( website)