This is an absolute disaster from a national security perspective.
Obviously, a lot on F-35s is classified, but a weapons-bay door and a canopy with radar-absorbing material are some of the most sensitive.
Hard to describe how bad this is.
The Chinese have acquired a shipment of F-35 parts that was mistakenly routed through Hong Kong -Bloomberg
The shipment, now in Chinese government hands, includes a cockpit canopy and weapons-bay door.