Could it be MAD (as in mutually assured destruction)? (I don;t know any German so have no idea, but that is an acronym that would presumably have been translated)
Edit: I guess not as Google suggests that would be GZZ - Gegenseitig zugesicherte Zerst?rung
Edit: I guess not as Google suggests that would be GZZ - Gegenseitig zugesicherte Zerst?rung
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