Four Russian warplanes entered the Air Defense Identification Zone off the coast of Alaska on Dec. 18, North American Aerospace Defense Command announced—the first such incident in three months.
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. ...