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In page North American P-51 Mustang:

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By 8 May 1945,[5] the 8th, 9th, and 15th Air Force's P-51 groups [nb 1] claimed some 4,950 aircraft shot down (about half of all USAAF claims in the European theater, the most claimed by any Allied fighter in air-to-air combat)[5] and 4,131 destroyed on the ground. Losses were about 2,520 aircraft.[6] The 8th Air Force's 4th Fighter Group was the top-scoring fighter group in Europe, with 1,016 enemy aircraft claimed destroyed. This included 550 claimed in aerial combat and 466 on the ground.[citation needed]