A is for Antedians. Evolved mongeese. B is for Berengarian dragons. Never seen on screen, but huge. C is for Cardassians. AKA Spoonheads. D is for Deneva flying pizza monsters. E is for Excalbians. Silicon-based, and curious. F is for Ferengi Rules of Acquisition. There are 285 of them. So far. J is for Janus six. K is for Klingon head ridges. Now you see 'em, now you don't....at least not for another century or so. L is for Lovely Ladies. There are hundreds serving on the Enterprise. M is for Matriarchal regime. Starfleet explorers encountered several during their travels. N is for Nimoy. Leonard Nimoy, director of Star Trek III. O is for Ohniaka III, a Starfleet outpost that was the target of self-aware, renegade Borg drones under the leadership of Lore. P is for Pakled literature. Q is for Q. As in Planet Q, not the character. R is for Romulus. Destroyed by a super nova in Star Trek 11. S is for Stonn, Spock's very quiet and stern rival for T'Pring's affections during the pon farr challenge of 2267. T is for Tolian Soran. The Doctor that stole Trilithium. U is for underwater. Apparently the last place you'd look for a starship.