Swell, now the Chineese can rip off this concept and colonize the solar system. Like Trump says, why do we have to tell the world everything we know?
Since the EM drive concept originated in England in 2001 and was tested in China in 2010, It’s not really an American-only thing.
If it’s on a NASA email or computer file anywhere, then the Chinese probably already know all about it . . .