A is for Atavacron. B is for Bussard Collector. C is for Cortical Stimulator D is for Dermal regenerator E is for Exocomp. F is for field coil. Every starship should have one; or many. G is for Graviton beam H is for Heisenberg Compensators, of course. I is for Isolinear processors. J is for Jamming device K is for Kiloquads L is for lateral sensor array. M is for Medical tricorder N is for Nanite(Federation design). O is for Omega Particle P is for phase discriminator; type 7. Q is for QUANTUM discriminator.