A is for Arex of Edos, Enterprise navigator
B is for Betelgeusian diplomats. Several were present in the Starfleet Headquarters air tram station at the time of the V'Ger Crisis of 2273.
C is for Christopher Pike, lately of Talos IV
D is for Deltan Oath of Celibacy.
E is for Eagle Scouts Jonathan Archer and Malcolm Reed
F is for Federation Funny Farm. Where victims of Vulcan mind-melds gone wrong are sent.