The Tupolev Tu-22M3 - known as a Backfire by Nato - was on a training mission in Murmansk, north of the Arctic Circle on January 22br The aircraft, carrying a crew of four, attempted to land on the runway in the middle of a heavy blizzard br The jet breaks its back after slamming into the ground sending the cockpit crashing into the runway br Moments later the nuclear-capable supersonic jet explodes into a fireball killing three of those on board