Jagdgeschwader 53 (JG 53) Pik-As was a Luftwaffe fighter-wing of World War II. It operated in Western Europe and in the Mediterranean. Jagdgeschwader 53 - or as it was better known, the "Pik As" (Ace of Spades) Geschwader - was one of the oldest German fighter units of World War II with its origins going back to 1937. JG53 flew the various models of Bf-109 throughout the second world war.