>>The Muslim republics are mainly in Central Asia -- far away from the fighting.
The Chechens indeed WERE supporters of Nazis, or planned to be-the act the were all sent to exile in 1944; But in Russia Muslims live in Volga region (you heard of Stalingrad? Kazan, a capital of Muslim Tatarstan republic, it to the north, and 50% Muslim Astrakhan is to the south along Volga. And in USSR wasa a TOTAL mobilisation, and that meens that all men from age 18 to 45 were in the army, except for police, firefighter, and most important engeneers/scientists.
And yes, there was another Islamis nation that served Hitler-Crimean Tatars(not Kazan or Astrakhan tatars)