What's the first thing you'd do if your country was being invaded

Load up the Yukon with all my guns ammo food water and winter/summer camping/clothing gear and head further into the woods than I already am

Same as they did. Just gotta get the hell out of the city, first.

Get guns and explosives, then go to the forest

get my badass zombie vampire mutant crazy suit on...

Join the invaders.

Stock up water.