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MP is the largest External link rare-earth producer in the Western Hemisphere, making neodymium and praseodymium oxides, key components of magnets that end up in high-tech products, including EVs and F-35 fighter jets.

The rate of incidents is accelerating in recent years, a Wall Street Journal investigation has found, driven in large part by leaks on Airbus’s bestselling A320 family of jets—the aircraft Chesson was flying.

Advances at the lab contributed to radar systems, microwave ovens, jet engines and nuclear reactors, said Maury Fey, who worked there.

Air Greenland staff helped out when winds picked up, pointing a United jet on the ground into the wind so it wouldn’t sustain damage.

Then there is the copper needed for bullet casings, jet fighters, missile systems and other weapons as governments around the world dial up spending on defense.