Before the French campaign was over, KG 4 struck at British ports and targets in Wales. on the night of 18/19 June KG 4 lost six Do 17s and He 111s, including Major Dietrich Von Massenbach, Kommandeur of II./KG 4, who was shot down over Norfolk by a Blenheim of 23 squadron flown by Flt Lt Duke-Woolley, He 111 5J+DM crash landed on the beach at Cley Next the Sea, where the entire crew were taken prisoner.[6]