The acronym NCU stands for several things that are related. 1. Nano Controller Unit - Which is a small cybernetic device that is fused to the brainstem of all the characters in the game and gives them the ability to manipulate nano-technology. 2. NCU capacity - A measure of how many nanoprograms your Nano Controller Unit can hold and sustain. This measure is agumented prilarily by belt decks and NCU chips. 3. Alien Nano Controller Unit - A device made from alien materials that can be made and used by casting type characters to enhance their nano skills. --Berael 21:27, 24 January 2007 (CET)