Well, now you say Enclave is the problem - I have to agree with you, Enclave in Fallout's canon would certainly not attack NCR, that's why NCR Defence #1 was only an event : Out of the timeline, out of the main FOnline storyline (Tandi's death had no incidence on the rest of the game). It would have fit perfectly if it was a raider "army", for example, and maybe we'll do it next time. But for the first one, Enclave was easier to handle for us (Not to bother about skins, for example). About Mariposa, yes, Enclave left only one squad, but that squad has been wiped out, since mutants were really outnumbering the Enclave soldier. Vault City maybe does not have a big army, but that's exactly why they need help against the raiders. Again, "such size", it was 200 vs 200, I don't think it's such shocking. When Vault 13 was attacked by the Master's army, approximately a thousand people died, I think. Well this discussion has became a pointless argument =P But I have to say, yeah, maybe Enclave does not fit in invading NCR, but in Fallout's storyline many armies shown up, and many locations were invaded. That's why this battle shouldn't be that shocking, nor taken seriously - it's an event, made for fun of the participants.