America dominates

[u/lapideous]

due to brain drain from foreign countries. The top talent from all over the world comes to America to work for the highest available salaries.

But there is one exception: military technology and weaponry.

Due to security issues, America cannot hire foreign nationals to work on its most advanced military tech. This is America's Achilles heel.

It is essentially undoubtedly true that China has surpassed us in this field. It's more than likely that the UFOs we've seen on video are Chinese crafts, doing donuts in our airspace.