This ‘insurgency’ was countered and put-down by the NKVD troops of the Soviet Union between 1945-1947! (The work of Alexander Werth covers this episode. When the conquering Red Army entered the territory of West Ukraine in 1943-1944 – they discovered a hardcore of non-surrendered Nazi German Officers leading highly motivated ‘Catholic’ Ukrainians – armed with weapons secured from the US and UK. Joseph Stalin stated that as the USSR was ‘allies’ with these two countries, the Red Army was to ‘ignore’ the implication of this discovering and continue its mission of pursuing the retreating Nazi German Military Forces back to Berlin. Instead, the Special Forces of the NKVD were moved into position to fight what became known as an ‘insurgency.’ The fighting was brutal, debilitating but necessary).