Jagdgeschwader 52 included the fighter ace who joined the Luftwaffe in what year?
Gerhard Barkhorn Gerhard "Gerd" Barkhorn (20 March 1919 – 8 January 1983) was the second most successful fighter ace of all time after fellow "Luftwaffe" pilot Erich Hartmann, the two people to ever exceed 300 confirmed victories. Barkhorn joined the "Luftwaffe" in 1937 and completed his training in 1939.
Alfred Teumer Alfred Teumer (11 February 1918 – 4 October 1944) was a Luftwaffe flying ace during World War II and recipient of the Knight's Cross of the Iron Cross (German: "Ritterkreuz des Eisernen Kreuzes" ). The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership. He is credited with 76 aerial victories claimed in over 300 combat missions.