 On 16 August 1940 it bombed Heathrow Airport.On 26 August it took part in "Luftflotte" 3's last major daylight raid for three weeks as the air fleet was reassigned to attacking the West and East Midlands industrial areas.For a period of three weeks KG 55 was mainly assigned to night raids on aircraft production factories over England, though there were some notable daylight raids on Bristol and Southampton.