Yep, but in wartime there would be. The US can launch nuclear bombers very quickly when any threat is detected or assumed to come anytime soon (watching the Chi

Yep, but in wartime there would be. The US can launch nuclear bombers very quickly when any threat is detected or assumed to come anytime soon (watching the Chinese roll out rockets for hypersonics for example via satellite). I suspect we have a lot of classified nuclear flights when the DoD gets worried.