Task: Question Understanding
Input (English): Context : Albin Wolf (28 October 1920 -- 2 April 1944) was a German World War II Luftwaffe flying ace and posthumous recipient of the coveted Knight's Cross of the Iron Cross with Oak Leaves (Ritterkreuz des Eisernen Kreuzes mit Eichenlaub). 
Question : What war or battle did Albin Wolf fight in?
Output (English): conflict