Designed as part of Starfleet's advanced technology starship program and first launched in 2373, the Sovereign class is the most impressive vessel in Starfleet.
The current version of Starfleet's flagship, NCC-1701-E USS Enterprise, is of the
Originally designed and built in the 23rd century, the Excelsior class has been refitted and upgraded to make it a capable ship still today. Excelsior class starships have seen heavy use over the decades including in the war with the Dominion.
Slightly smaller than the Galaxy class and originally intended to serve as a science exploration vessel the Nebula class starship has since been refitted to serve in a fleet combat