MIA
From Longman Dictionary of Contemporary EnglishRelated topics: ArmyMIAMIA /ˌem aɪ ˈeɪ/ noun [countable] American EnglishPMA (missing in action) a soldier who has disappeared in a battle and who may still be alive There are still more than 500 MIAs.Examples from the CorpusMIA• They are still occupied by things like MIAs, prisoners of war, refugees, things of the past.