Originally Posted by
WideScreen
Simply: The math, trigonometry.
As such, my suggestion to use paper, scissors and glue to create the flight paths of each the bombers and the fighters as a paper object and put these in 3D, to visualize that the fighter path is above the bomber path, at the 1000ft display line. Then, you can literally see, that the fighter path is not conflicting with the bombers path.
When the fighters do come in from a much higher altitude AND are expected to reach the 500ft altitude, at 500ft closer to the public, they will be higher than 500ft at the 1000ft display line (my estimate > 200ft). So, in 4D, there is no conflict between the bombers and the fighters.
The safety of this separation mechanism is unfortunately very sensitive to pilot mistakes, which happened in this 2022 Dallas situation.
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I’m sure you are quite possibly right but to be honest if the situation was that unforgiving to a single point failure then maybe it’s time to go back to the sort of basics Waltzer describes…KISS and all that.