Well I definitely don't think it will be going forward.
But surely you can see - irrespective of the fact you clearly support this group - that causing millions of pounds worth of damage to a nations military equipment in pursuit of your political aim is not normal and whether it is the act of terrorism or not, it is clearly very close to the line if not over it.
What are we supposed to do? Sit back and watch them damage everything? What would the next target be?