The USS Ajax (NCC-11574) was a Federation Apollo-class light cruiser in service to Starfleet in the early to late 24th century. The starship was named in honor of the Greek legendary hero Ajax. (ST reference: Star Trek Encyclopedia, TNG episode: "Where No One Has Gone Before", TNG episode: "Brothers", ST video game: Legacy) During the mid-2320s, the Apollo was commanded by Captain Narth, and in 2327, Ensign Cortin Zweller was assigned to the Ajax following his graduation from Starfleet Academy. (TNG episode: "Tapestry" and TNG novel: Rogue)