The Drive cannot authenticate if the wedge-shaped payloads harnessed underneath the high-altitude balloons are, in fact, hypersonic weapons, but @Defengchao who posted the footage on Twitter is confident that they are.

"A test using a high-altitude balloon to launch the flight vehicle has been successfully performed, allegedly, this was exactly the test which closed a large area of airspace in the Northwest of China," tweeted @Defengchao.

A test using high-altitude balloon to launch the flight vehicle has been successfully performed, allegedly, this was exactly the test which closed a large area of airspace in the Northwest of China. pic.twitter.com/YrlG7ca7du

— dafeng cao (@dafengcao) September 21, 2018