a joe team, assisted by sierra gordo revolutionaries, assaults a cobra fortress, one of many in a style called terror drome. during the confrontations, the twins man a helicopter gunship and badly injure stalker. other joes destroy the helicopter but the twins (and stalker) survive. later, the joes completely take the fortress. having prepared, tomax and xamot purposely wait until the joes are inside before attempting to activate several explosive devices. this fails, as the joes had brought their own explosive expert, tripwire.