[jm4]

Of course they do. The SR-71 was built with Russian titanium that the Russians believed was going to be used in pizza ovens. There’s no reason to think schemes like that ever stopped. Or that that was the first time. My guess is most countries have been doing it for as long as they have been trading.

[zdragnar]

China has vastly stricter controls in place now than SU did back then. Not impossible, but much harder.