The Chinese allegedly stole 50 terabytes of data, including information about the fighter's detailed engine schematics, "aft deck heating contour maps," methods for cooling exhaust gases and the method the jet uses to track targets, the Morning Herald said.
http://www.ibtimes.com/chinese-spies-stole-f-35-fighter-design-edward-snowden-reveals-1787092
(I suspect this was going to be unwelcome in the F35 news thread)
http://www.ibtimes.com/chinese-spies-stole-f-35-fighter-design-edward-snowden-reveals-1787092
(I suspect this was going to be unwelcome in the F35 news thread)