This category is about military personnel and combatants considered missing or killed in action and whose last known contact or sighting occurred during flight, as well as articles on such disappearances themselves. For other military personnel missing in action, see Category: Military personnel missing in action. For other air passengers who have disappeared without trace, including civilians, see Category: Missing air passengers. For civilian aviators (pilots, navigators, flight engineers and other air crew) who disappeared in flight without trace, see Category: Missing aviators. For aircraft that have disappeared in flight without trace, see Category: Missing aircraft.
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