 Kunyora kupfuurira kweiyi ndima - Kushanda kubva kuChièvres Air Base kubva 27 May 1940, Müncheberg akati kukunda kwake kwechishanu mumhepo pamusoro peSupermarine Spitfire musi wa 29 May 1940. Kubudirira uku kwakamupa Iron Cross 1st Class . Panguva iyoyo, III. Gruppe akanga achipa murwi escort nokuda Junkers Ju 87 Stuka vanobhururuka bhomba uye Messerschmitt Bf 110 anorema varwi kushanda pamusoro beachhead vakabata British Expeditionary Force BEF muHondo Dunkirk. Fighter Command akarekodha kurasikirwa 10 varwi kuna Bf 109s musi 29 May. On 31 May, Müncheberg akazviti ane zvisati zvamboitika mana Spitfires pamusoro Dunkirk, sezvo kubviswa uye hondo chengarava yakasvika pakakwirira. Chikumbiro chokupedzisira chezuva racho chakaitwa kurwisa No. 609 Squadron. No. 609 Squadron yakashuma vatyairi vaviri vakaurawa uye mumwe akakuvadzwa, kunyange zvazvo mumwe wevatyairi vakafa akaurawa mukuita neHeinkel He 111 mabhomba maererano nemanyuko eBritish. 