Considering someone would have had to surreptitiously home-brew a jet pack rivalling the Yves Rossi Jetman in order to get to that altitude, I would not be surp

Considering someone would have had to surreptitiously home-brew a jet pack rivalling the Yves Rossi Jetman in order to get to that altitude, I would not be surprised if this turned out to be a balloon "dressed up" to look like a person with a jetpack.