There are some spectacular shots of the wave, but it is not a function of breaking the sound barrier. Under certain conditions of humidity and temperature, an aircraft going transonic creates the classic ballerina-skirt.

There is a (doctored) photo of a WW1 fighter in a dive with the skirt. I wish I could find it again.

My next plane will be able to do three times the speed of silence.

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Calm, quiet, smooth, devastating