Not sure what the lore says about it but Deuterium and Helium-3 rather sound like fusion generators than fission generators. That would make more sense aswell, I guess, since Fusion Generators should be more advanced and useful than fission ones. But then again, I could be wrong.
"Common sense is the best distributed commodity in the world, for every man is convinced that he is well supplied with it." René Descartes
