No. The national security adviser is also essentially the chair and the dean of the heads of the various agencies and has the ability to contact the head of CSIS, the head of CSE, the head of RCMP and so on. It would depend on what you mean by instructions. It may well be “I want to know more about this” or “I agree with that”.
I did not get in the way of the traffic on the way up or on the way back.