system
A chat on subreddit /r/NoStupidQuestions
human
Invade Florida and just get established before a cat 5 hurricane smashes into them. Cross through Cali and you are in a huge desert. Alaska is mostly empty land. Then add over 1 billion guns and that's just the private sector. And of course after our Navy and Air Force.
gpt
They'd have to fight through the world's largest Air Force, and the world's second largest Air Force, known as the US Navy.