 Nyorai kupfuurira kweiyi ndima - Pana 18 November 1943 Harris akatanga kurwisa kwake Berlin. Oberleutnant Johnen akawana kukunda kuviri pausiku hwa 3 Ndira 1944 - achienzanisa husiku hwake hwakabudirira zvikuru kusvika zvino - paakaverenga Lancasters mbiri pa 02:56 03:21; zvose zvakawira kumaodzanyemba kwakadziva kumadokero kweBerlin. Musi wa 6 Ndira Johnen akati ane Lancaster pedyo neTutos pa 03:27. Chikumbiro chega chakanangana neLancaster musi wa20 Ndira kuchamhembe kwakadziva kumadokero kweBerlin na19:36 chakatevera. Johnen akaisa zvikumbiro zvitatu musi wa 27 January 1944. Zvitatu zveLancasters zvakapambwa pakati pa20:36 na21:18 kumaodzanyemba kwakadziva kumabvazuva nokumaodzanyemba kwakadziva kumadokero kweBerlin. Akabudirira izvi zvakare musi wa 15 February 1944. Na20:34 kumaodzanyemba kwakadziva kumabvazuva kweDamgarten Johnen akati ane Lancaster. Mumwezve pamusoro paKummenerer Ona pa 20:45 uye pa 21:20 kuchamhembe kwakadziva kumadokero kweBerlin nokuda kworukundo rwake rwechi 18. Johnen akagadzwa pachinzvimbo kwete chinzvimbo che Staffelkapitän mutungamiriri wechikwata musi wa29 Kurume 1944. 