Distance: Stuttgart to New York: 5500 miles; favorable geography: Atlantic Ocean
Distance: Sasebo to Seattle: 5300 miles; favorable geography: Pacific Ocean
I'll take the intervening oceans over a few cliffs. The U.S. doesn't need a conscripted military even if it does come with a "free" government-provided weapon. Give me two oceans and a country with 5% good old boys who own their own rifles. I'll keep my few remaining liberties, thank you!