#surprise_attack__coup_de_main  an attack without warning
  supertype:  onset__attack__onslaught__onrush  an offensive against and enemy (using weapons); "the attack began at dawn"
  subtype:  ambush__ambuscade__lyinginwait  the act of concealing yourself and lying in wait to attack by surprise
     subtype:  dry-gulching__drygulching  the act of killing from ambush
  subtype:  pre-emptive_strike__preemptivestrike  a surprise attack that is launched in order to prevent the enemy from doing it to you

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