My point was that if Snowden were to travel by plane then there is a high probability that it could be forced to be grounded and Snowden captured then sent to Gitmo.
But if he were to travel by submarine, he would be untouchable from the US Navy.
My point was that if Putin were willing to send Snowden elsewhere, why not just use a regular military surface ship. Or, for that matter, why not fly him in a Russian air force transport?
It's silly to think the US would get into a military engagement with Russia just to capture Snowden. At this point, he's not that valuable to either side, except as a propaganda tool. Hell, Putin would probably do a happy dance if the US were stupid enough to do something like that. The sabre rattling in the Ukraine has made him very popular - one can only imagine what a revived cold war rivalry would do for him; in the short term, at least.
