A large number of Jews fought againts Hitler as Soviet soldiers. In light of postwar-antisemitism in the USSR, it is easy to forget the Red Army was the only fighting force in Eastern Europe that welcomed Jews into its ranks as equals (at least in theory). It is quite tragic that those Jews who risked their lives for the Soviet cause in World War II ended up being driven out of their homeland by discriminatory policies after 1945. Here’s a short but intriguing piece on Soviet-Jewish veterans of World War II in the US:
http://www.nytimes.com/2013/06/01/us/a-rabbi-honors-the-red-armys-jewish-veterans.html?src=recg&_r=0
The Longer View 