would be a Prank, you need do someything and: upss... what happes... Why i Train my UNits.. OMG im been sabotaged T-T.or the gate don't works and your city its rush because a Unit (Special Commando) Saboating the gates. i think that issue of Gates can be protecte if you put a Outpost near or Elite, guarding gates, maybe some stances can be used to catch out the Special Unit.