The town can be visited by the player character in both Fallout and Fallout 2, being simply renamed as ... to be the equivalent of at least 15 NCR soldiers in Fallout: New Vegas, this critical ...
Where the heck was the NCR? The New ... remnants. In Fallout episode 1, a Brotherhood of Steel elder says that "a denizen of the Enclave has escaped," and in episode 2 we see that escape happen.