USS Enterprise (Refit) NCC-1701-a refit of the original Enterprise.

Series/Film(s): The Motion Picture, The Wrath of Khan and The Search For Spock.

USS Enterprise A NCC-1701-A-Commissioned after the Enterprise was destroyed in the self-destruct sequence.

Series/Film(s): The Voyage home (end), The Final Frontier and The Undiscovered Country.

USS Enterprise B NCC-1701-B-Second ship to bear the name Enterprise. On it’s maiden voyage it encountered an energy ribbon called the Nexus that destroyed 2 Ships.

Series/Films(s): Generations

USS Enterprise C NCC-1701-C-Passed through a temporal anomaly in it’s final battle changing history. Thanks to Guinan the Enterprise D sent it back through the anomaly correcting history.

Series/Films(s): Yesterday’s Enterprise (TNG).

USS Enterprise D NCC-1701-D-A vessel of exploration the Enterprise encountered may different planets and species. A Klingon Bird-of-Prey Destroyed the Enterprise 7 years after it was commissioned. Flagship of the Federation.

Series/Film(s): The Next Generation and Generations.

USS Enterprise E NCC-1701-E-1 year out of space dock the Enterprise was partly assimilated by the Borg-half organic, half robotic beings. Flagship of the Federation.

Series/Films: First Contact, Insurrection and Nemesis.

USS Voyager NCC-74656

The Voyager was thrown into the Delta quatrant, and managed to get home 7 years later, via a Borg transwarp conduit

Series/Films: Star Trek: Voyager