Triple-Ace in a Day To achieve this a pilot must have destroyed 15 enemy aircraft in a single day. This has been achieved by only four pilots, all from the-Luftwaffe. 1. -Emil Lang-shot down 18 Soviet fighters on 3 November 1943. 2. -Hans-Joachim Marseille-was credited with downing 17 Allied fighters in just three sorties over-North Africa-on 1 September 1942. -10 of those claims have been connected to actual Allied losses that day. 3. -August Lambert-shot down 17 Soviet aircraft on a single day in 1944. 4. -Hubert Strassl-shot down 15 Soviet aircraft on 5 July 1943 near Orel.