Giant Freighter Is First to Cross Northwest Passage

[Mr Quatro]

http://www.newser.com/story/174987/g...mpaign=rss_top

For the first time, a major freighter has crossed the Northwest Passage in the Arctic, reports the Toronto Globe and Mail. The 735-foot Nordic Orion achieved the feat this week when it entered Baffin Bay. Doing so shaved 1,000 nautical miles off the usual route through the Panama Canal and saved the freighter's Danish operators about $80,000 worth of fuel, reports Reuters.
The fact that the ship burned less fuel than normal might be a small silver lining for environmentalists—until they see its cargo: coal, and lots of it, bound from British Columbia to Finland. And because the freighter didn't have to pass through the shallow Panama Canal, it was able to carry 25% more

I wonder if a nuclear submarine could follow a ship like this and slowly peel off in the artic undetected do a patrol and then find one to shadow back to homeport?