‘It has to work’: Inside the military’s race to solve an ejection seat safety conundrum

It was during a routine inspection in April that an Air Force technician found a single faulty Cartridge Actuated Device in the ejection seat of an F-35 at Hill Air Force Base, Utah. The device — known colloquially as CAD — contained no magnesium powder, a necessary material for generating the explosive charge that allows a pilot to begin ejecting from an aircraft.

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