While the most well-known Cold War-era military jet aircraft came from Britain, the United States, and the Soviet Union, Sweden quietly developed what would become the most advanced fighter jet in Europe at the time.The Saab 37 Viggen was a mighty machine with a name that alluded to millennia-old Norse mythology, and it was easily recognizable as it was the first canard design aircraft produced in quantity.The historic aircraft could fly steadily at speeds above Mach 2 at high altitudes and operate from short runways, ready to serve their home country at a moment’s notice.And despite Sweden maintaining a strict policy of neutrality at the height of the Cold War, its pilots were willing to risk their lives to do the right thing if a nuclear conflict with Russia were to explode, with their Viggens more than ready for battle…