A is for Almack, an Ensign who served on the NX-01 and nearly froze his buns off.
B is for Barrows, Yeoman Tonia. From TOS.
C is for Colt, Yeoman J.M. Also from TOS.
D is for Darson of the USS Adelphi
E is for Esteban, Captain J.T. of the USS Grissom