Frost

The Avrocar was a joint venture between the US and Canada, run by a guy named John Frost, to build basically a functional flying saucer.

Schauberger stays behind in Germany, but gets approached by Frost in 1953.

Mita was probably trying to convince Frost that he needed to get the Skoda Works band back together.

After Schauberger rejects Frost's offer, a German-American counterintelligence agent named Karl Gersheimer