Answer
Of the 33 confirmed aerial victories of German World War II fighter ace Hans-Joachim Marseille, seven were not against the British Commonwealth's Desert Air Force. He shot down one American P-40 fighter on 22 November 1942, one American P-40 and one American P-39 on 14 January 1943, one British Bristol Beaufighter on 10 March 1943, and one American P-38 on 31 August 1943.