The NCR are the New Californian Republic and their objective is to civilize the world by bringing the rule of law to the ruin and decay of the wasteland. Stamping down an NCR boot on everything and claiming it as their own in the process. Following them is civilization, laws, order, voting, Democracy, Industry and all the trappings of a civilized world. But this is not what everybody wants, some folk fight the NCR, preferring the chaos of the existing world, some folk want to hang on to what they have and know the NCR will take it from them given the chance. Others embrace the NCR seeing it as the only way out of the post apocalyptic world. The NCR mod allows you to join the NCR, do missions for them, rise up the ranks and join various NCR Units, unlocking equipment each unit needs as well as various unique perks.
This video shows the NCR Mod V2.