If required, the murder of innocents strapped to or contained within a weapon of war is totally legal. It has been legal for hundreds of years.
I can't speak authoritatively, but jet response time to a breach of a sensitive no-fly zone is in the single-digit minute range. [0] I would be shocked if every major government facility wasn't surrounded by a no-fly bubble. I would be surprised if we didn't have the capability to send fighters to anywhere in the CONUS within ten minutes.
[0] Quite some time ago, I was living near Tacoma, WA when the POTUS was visiting. There was concern that an aircraft was going to enter the temporary no-fly zone around the POTUS, so a couple of jets from the nearby base were scrambled and cleared to go supersonic -maybe- 1,000 feet off the deck. The din and air pressure change was incredible; it was if a tremendously large bomb had gone off some distance away.
I can't speak authoritatively, but jet response time to a breach of a sensitive no-fly zone is in the single-digit minute range. [0] I would be shocked if every major government facility wasn't surrounded by a no-fly bubble. I would be surprised if we didn't have the capability to send fighters to anywhere in the CONUS within ten minutes.
[0] Quite some time ago, I was living near Tacoma, WA when the POTUS was visiting. There was concern that an aircraft was going to enter the temporary no-fly zone around the POTUS, so a couple of jets from the nearby base were scrambled and cleared to go supersonic -maybe- 1,000 feet off the deck. The din and air pressure change was incredible; it was if a tremendously large bomb had gone off some distance away.