A is for Abraham Lincoln, one of James T. Kirk's historical role models.
B is for Barzan Wormhole. Data and Geordi travelled through it in a shuttlepod.
C is for the Canopus Planet.
D is for "Double Dumb-ass on you!"
E is for Epaulets. Starfleet formal dress uniforms in the Abrams timeline of the mid-23rd century had them.
F is for Federation Funny Farm.