Complex sentence: Early morning mist curtailed operations by "Luftflotte 2" and "Luftflotte 3" but reconnaissance sorties by the "Aufklärungsgruppen" took place and two Dornier Do 215s were shot down by British ground defences.
Split into simpler sentences: Early morning mist curtailed operations by "Luftflotte 2" and "Luftflotte 3". Limited reconnaissance by the "Aufklärungsgruppen" took place and two Dornier Do 215s were shot down by British ground defences.