The Excelsior class was the testbed for the failed transwarp project. First commissioned in the 2290's, this class has been very widely used and even after 80 years, it still remains a vital instrument for starfleet.

Starships of this class:

USS Excelsior NCC-2000
USS Enterprise NCC-1701-B
USS Repulse NCC-2544
USS Roosevelt NCC-2573
USS Fearless NCC-4598
USS Okinawa NCC-13958
USS Berlin NCC-14232
USS Lexington NCC-14427
USS Tecumesh NCC-14934
USS Livingston NCC-34099
USS Intrepid NCC-38907
USS Crockett NCC-38955
USS Malinche NCC-38997
USS Gorkon NCC-40512
USS Cairo NCC-42136
USS Charleston NCC-42285
USS Hood NCC-42296
USS Lakota NCC-42768
USS Grissom NCC-42857
USS Al-Battani NCC-42995