Air Force Gen. Gregory M. Guillot, head of NORAD and U.S. Northern Command, called for greater domain awareness in the Arctic in the wake of recent approaches to North America by Chinese and Russian bombers. 
A pair of Russian strategic bombers flew near U.S. and Canadian airspace last week before turning back short of the countries’ Air Defense Identification Zone, the head of North American Aerospace Defense Command and U.S. Northern Command revealed March 14. Air Force Gen. Gregory M. ...