Final approach --- landing on the moon, used no computers ---- completely pilot controlled.
They had a mechanical simulator --- with modified earth gravity (Flying Bedstead) for practice.
They got about 30 practice runs (Armstrong crashed one).
Then ---- then do a perfect landing the first time on the moon --- with different gravity.
OK ---- so simulate this, give only 30 practice tries, change the gravity settings and do it perfect.
Yes there were --- and you could fucking hear the sonic boom.
You could also estimate the speed by the angle the plane was when you heard it.
Mach Angle
I think you need to re-read my statement. I'm aware they existed back then.
If that's what you saw in the night sky, you would not have heard the sonic boom due to the altitude and thin atmosphere at that height.
https://aviation.stackexchange.com/questions/17661/can-a-sonic-boom-produced-at-60-000-be-heard-on-the-ground
Man those must be shitty spy planes if they are so noisy they can be heard on the ground even though they can't be seen with the naked eye. That seems incredibly counter productive.
Is that why they paint them white?