I think you’ll find once Allied fighter pilots were given permission for free hunt operations in early 1944, this type of stuff became common. Anything that was moving was shot up. However these tactics further helped to write down the Jagdwaffe as a fighting force.
That is an ambiguous concept, destroying only the aircraft also do that without the need of such “ungentlemanly act”
Unlike the myths fostered in popular accounts of World War I, not all fighter pilots in World War II were “honorable Knights of the Air”. Among the many reasons were human nature, pilots’ discipline or lack thereof, and the “detachment” of mechanized war. Pilots of powerful aircraft were in a sense removed from seeing an enemy pilot being sawed in half by large caliber slugs or exploding cannon rounds. Bomber pilots could rarely see or know of the carnage they created when payloads hit targets.
It is well documented that some Allied pilots and even some aces shot at Axis pilots hanging in their parachutes, even as the Axis pilots shot at defenseless Allies. Some Polish pilots looked for cruel revenge after September 1939. The pilot of Pursuit Brigade (123. Eskadra), Corporal Eugeniusz Nowakiewicz battled in the French campaign of 1940 in with the Polish section of Groupe de Chasse II/7, led by Lt. Wladyslaw Goettel. On 4 June 1940, in Besancou area, Nowakiewicz succesfully attacked an He 111 and after crash landing he shot at the surviving German crew. On 15 June 1940, in Caumont-Toinville area, Nowakiewicz again got an enemy bomber, an Do 17 this time. Two German airmen bailed out, but the Polish fighter pilot killed one of them in the air, and the other second was ‘shared’ with French pilots after the crewman got to the ground.
In a later instance, an American Ninth Air Force ace of Polish ancestry shot an Me 262 Luftwaffe ace after destroying his jet. When the U.S. airman landed, he had his crew chief destroy the gun camera film. In a debriefing, the Squadron commander asked why the pilot (whose family had been killed by Germans) did what he did. The pilot explained that these were experten , the cream of the Luftwaffe crop. And if they were not killed, they’d simply reappear the very next day in another fighter, to kill more U. S. airmen.
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