Another Reason Not To Forget the Arctic

Russian military planes flew undetected through the U.S. zone of the Arctic Ocean to Canada during recent military exercises, a senior Air Force commander said Saturday. The commander of the country's long-range strategic bombers, Lieutenant General Igor Khvorov, said the U.S. Air Force is now investigating why its military was unable to detect the Russian bombers

http://www.spacewar.com/reports/Russian_Bombers_Flew_Undetected_Across_Arctic.html