A is for Adelphous IV.
B is for Botany Bay.
C is for Cardassian Union.
D is for Delta Vega.
E is for Endeavour, the only Federation starship out of a massed fleet of 40 to survive the Battle of Wolf 359.
F is for Flag of the Federation.
G is for Gorgan. Some old dude wearing a shower curtain.
H is for Holodeck malfunction.
I is for Ivor Prime. The Federation colony there was destroyed by an attacking Borg cube in late 2373.
J is for Janus VI.