If they were lucky, their home would be covered by the base. Judging from what he knew, it was actually likely, which was why he wasn't too anxious.
When Naia warned him, even when he had doubts (partially because he didn't want it to be true), he still prepared himself as much as possible.
He even ordered a few things and just sent them to various addresses, just to stock them up, claiming they were advanced year-end gifts. This naturally included his family.
Then his father, who had been a veteran, received some warning from old colleagues, pretty much confirming it. However, this happened just a few days ago, so their preparation was still limited.
Anyway, since he was prepared, Luke and his family had a high-tech radio that could travel several hundred kilometres away. The capital was just within this scope.
