Modernization of MiG-31 continues

Aviadvigatel aero-engine design house told AIN that a road map to modernize the MiG-31 exists and the aircraft is still needed to protect Russia’s northern territories.

[thumb]http://www.ainonline.com/aviation-news/ain-defense-perspective/2014-04-24/mig-aviadvigatel-confirm-mig-31-development[/thumb]