A is for the Artemis, yet another ill-fated Federation vessel.
B is for Bajoran Brownies.
C is for the Columbia. USS Columbia, NX-02. Sister ship to the USS Enterprise, NX-01.
D is for the Dauntless, another NX-01 that the Voyager crew should have immediately found very suspicious based on the registry number alone.
E is for Excelsior. NX-2000
F is for the Farragut, James Kirk's very first assignment after graduating from Starfleet Academy in 2254.