A is for Alpha Centauri, one of the very first interstellar colonization destinations for humans from Earth.
B is for Bajor. Somehow a strategically important planet populated with a bunch of annoying people.
C is for Cryogenically frozen supermen.
D is for Delta Vega. That planet really gets around.
E is for Elim Garak. A tailor, spy, and all around pretty cool guy.
F is for Flag of the Federation.
G is for Gorlan Uprising, ruthlessly crushed by Mirror James T. Kirk.
H is for Hydrogen collection knobs.
I is for Invasion. The Klingons did it to Cardassia and the Dominion did it to Betazed.
J is for Janice Lester. The definition of "batshit crazy bitch".
K is for Kor, Military Governor of Organia.
L is for Lenticular spectrometer.
M is for Men in Space. It could easily be an alternate title for Star Trek.
N is for Nexus, the space ribbon time has no meaning thing.
O is for Oxygen-Nitrogen Atmosphere, a critical component of an M-class planet.
P is for Phase discriminator. A component of Data's Positronic brain.
Q is for Quantum Discriminator.
R is for Rematerialization subroutine.
S is for Subspace radio.