Story Highlights Scientists plan for two submarines to dive 13,200 feet to drop capsule with flag Biggest challenge for submarine crews is avoiding being trapped beneath ice Scientists studying whether underwater mountain range is connected to Russia U.S., Canada, Denmark also amid plans to stake claim to Arctic oil reserves http://www.cnn.com/2007/WORLD/asiapcf/08/01/arctic.grab.ap/index.html That's amazing. The first time in history anyone is going under the Ice in the North Pole. That has got to be scary. I am way to clostraphobic to go in a military Submarine let alone those small research ones. I had a hard time touring the Submarine they turned into a Museum at Pear Harbor.