Missing in action
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Missing In Action, MIA, is a casualty classification used by the United Nations Space Command that refers to a member of the armed services who is reported missing following a combat mission and whose status as to injury, capture, or death is unknown. The missing combatant must not have been otherwise accounted for as either killed in action or a prisoner of war. When Spartans are killed, they are reported missing in action to create the allusion that Spartans never die.
