The U.S. Air Force dispatched two F-16 fighter jets to intercept a pair of Russian bombers that flew close to Alaska on Monday, the North American Aerospace Defense Command said in a statement. Air Defense Identification Zones are areas of airspace that require all aircraft to be identified, located and have their flight plan controlled "in the interest of national security," according to the Federal Aviation Administration. NORAD, a combined air defense organization of the United States and Canada, said the Russian activity was "not seen as a threat nor is the activity seen as provocative." The appearance of Russian bombers and their interception by U.S. fighter jets does come at a fraught time in the relationship between the two countries, however. He noted that his deputy, Pyotr Tolstoy, had previously proposed holding a referendum in Alaska, RBC reported.

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