Complex sentence: In the Soviet offensive of 1944 in the Karelian Isthmus, Finnish pilot Hans Wind shot down 30 enemy airplanes in 12 days and in doing so obtained "ace in a day" status three times.
Split into simpler sentences: In the Soviet offensive of 1944 in the Karelian Isthmus, Finnish pilot Hans Wind shot down 30 enemy airplanes in 12 days. In doing so, he obtained "ace in a day" status three times.