Guardian class (cruiser)

The Guardian-class was a type of cruiser deployed by the Federation Starfleet in the early 25th century. 

History
The Guardian-class entered service in 2410. 

Technical data
Like the -, -, -, and es, the Guardian-class featured special accomodations for an intelligence officer. In addition to normal defenses it featured a particle conversion matrix device, capable of absorbing incoming weapons fire and diverting the energy to its own weapons. (STO website: Tier 6 Starships - Guardian Cruiser)

Known vessels

 * NCC-47501