This was a colossal conflict, and these five films in one package represent an impressively colossal attempt to tell the Russian side of this utterly fascinating episode in recent history. Ok, it's didactic and propagandistic, but there's a lot of good acting, many characters we can genuinely take an interest in - from the groundlings to the demagogue dictators - and some incredible battles.
 This is the only German camp scene. Considering what both Germany and Russia did to themselves, each other, and the hapless civilians in the war zones, this is omission is a biggie, but not altogether surprising.
 For example, Churchill is portrayed as pleased that the attempt to assassinate Hitler at the Wolf's Lair fails, fearing that a success might lead to Soviet dominance of Europe.
 Built on a Soviet T-44, according to the (very useful) IMFDB.
 T-62s weren't introduced until, er... '61!