Bauerklos

Bringing closure to this topic, and also being my first post here, here we go... Now that we know Nuketown and Moon occur simultaneously, it's safe to assume that Moon takes place in 1962. The Sedan Crater, which was formed right next to Nuketown and is not present until after the nuke is detonated and also before Nuketown Zombies even begins, the events of Nuketown and Moon take place some time after July 6, 1962 with TranZit happening right after due to Marlton being in the bunker.

Chances are they took the teleporter back to Area 51 and began surviving in Nevada, possibly traveling throughout America surviving from there. Richtofen would probably leave them alive, they're pretty tough and could provide some use to his schemes in the future even though he doesn't use them after the Moon Incident.