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Air Force knows what failed in fatal Osprey crash — but not why
NBC News reported Monday that the crash was linked to chipping from the Osprey’s proprotor gearbox.
By Tara Copp, AP
Misplaced flashlight in F-35 engine results in $4 million in damage
A handheld flashlight was sucked into the F-35's inlet engine during a maintenance ground run.
By Sarah Sicard