I used to work for Discovery Air, the company championing that project. I also was in the military with some of the people involved in that. Having said that, I don't know the intricate details of how it works. But if they're able to build a working, reliable, practical aircraft based on that concept, that will bring the cost of accessing the north down considerably. It won't bring it down to the extent that a road would.
On December 5th, 2011. See this statement in context.