Sometimes fiction writing makes you go looking for weird information, like "how much would it cost to fly 20,000 people internationally on short notice?" (Note: The answer is "a really big amount and maybe you can't because there might or might not be enough charter planes.")
@icedquinn Traditionally the correct approach (e.g. favored by militaries invading Nazi-infested continents), but have you considered: plane go fast
@alexbuzzbee figuring out the logistics of a really specific and impractical thing is one of my favorite kinds of problem solving
Fosstodon is an English speaking Mastodon instance that is open to anyone who is interested in technology; particularly free & open source software.