In addition to traditional science missions, they performed deep space explorations, personnel transports, supply runs and scouting missions in hostile areas.
Deck 1 - Bridge
Deck 7 - Crew Quarters
NCC-59318 was the last construction number originally authorized by Starfleet, but a limited run of 7 more was later authorized.
In 2369 upgrades to the probe launcher began, allowing it to fire the micro-photon torpedoes developed for Danube class runabouts.
Multiple subclasses had been designed.
- Gangarin class - designed for intensive planetary surveys and modified to hold a third shuttle, though it was poorly armed.
- Sagan class - capable of holding four shuttles as well as configurable mission specific modules
- At least eight were modified during the Dominion War as medical vessels
- One type was modified to run with a crew of five and used as a supply vessel
USS Yung Sheg
USS Fu Pu
USS Sun Yat Sen