Bulgaria is arguably the historically most underrated Axis ally that actually fought the Allies during World War 2. Despite remaining outside the main battleground of the war, the Eastern Front, this Balkan country did take its fair share of warfare, particularly due to the combat activity of its fighter air force against the armada of US bombers and their fighter escorts, in 1943 and 1944. Then, following an about-face in early September 1944, the...