Explorer ship

In starship classification, an explorer ship, or exploration vessel, was a type of spacecraft designed for exploring unknown regions of space.

The 21st century NASA ship Charybdis was classified as an "explorer ship". It was Earth's third manned attempt to travel beyond the Sol system. 

The 22nd century United Earth Starfleet NX class Enterprise was designed as a "ship of exploration". Andorian Lieutenant Talas once criticized Enterprise Lieutenant Reed, who came from a military family of three generations, for betraying his family tradition by serving on a ship of exploration. 

The USS Raven was classified as an "exploration vessel" by Drexler outpost. .

The Federation flagship USS Enterprise (NCC-1701-D) served Starfleet in the capacity of that of a vessel of exploration. 

During her time in the Delta Quadrant, USS Voyager served as a ship of exploration. 

Forschungsschiff 探査艦 Verkenner