I think your question probably has two parts. One part you're talking about is surveillance, and the other part is the ability to communicate for command and control. I can assure you that there are all kinds of blackout areas. We have a network of networks and system of systems that overlap to the greatest extent possible, but the north is still developing in many different flavours of infrastructure, including communications.
On May 13th, 2014. See this statement in context.