Rubuta ci gaba ga wannan sakin layi - Bayan armistice da Faransa
, An tura Becker zuwa 2.(J) "Staffel" na "Nachtjagdgeschwader" 1 (NJG 1<unk>1st Night Fighter Wing), da farko an kafa shi ne a Düsseldorf da Gütersloh, sannan kuma zuwa filin jirgin sama na Arnhem-Deelen inda aka nada shi jami'in fasaha. Becker ya tashi aikinsa na farko na jirgin sama a ranar 30 ga Agusta, 1940. Ofishin ya haifar da asarar jirgin sama a kusa da Winterswijk, yayin da shi da mai aikin rediyo suka sami damar ceton kansu tare da parachute.