World War II Battle When Americans and Germans Fought Together (2013)
Another strange alliance - when the Finns fought "with" the Germans against the Russian.  I'm using quotes because they weren't allies, really, but were against a common enemy at the time.  Some discussion of that in "The Winter War" - <a href="http://www.amazon.com/Winter-War-The-Finland-1939-1940/dp/0811724336" rel="nofollow">http://www.amazon.com/Winter-War-The-Finland-1939-1940/dp/08...</a>.