Both the United States and Australian governments are investigating how a shipment carrying unserviceable F-35 fighter components sent from Australia to the United States got rerouted across the Pacific and ended up in Hong Kong and finally in Chinese hands. Reports indicate the cargo included a cockpit canopy and a weapons-bay door coated with specialized radar-absorbent stealth material destined for repair or disposal. U.S. officials and congressional committees expressed deep concern that physical components could provide Chinese authorities an opportunity to study and reverse-engineer proprietary allied stealth technology.

Full report : Federal governments of both, US and Australia investigate after missing F-35 stealth parts found diverted to Hong Kong and finally to China.