Kammala jumla mai zuwa: Bayan yakin Birtaniya Lock ya yi aiki a kan
Channel Front, hare-haren da ke tashi a kan Faransa. Lock ya ci gaba da kawo jimlarsa gaba ɗaya zuwa nasarorin 26 na iska, an hallaka ɗaya kuma ana iya samun takwas a cikin makonni 25 na ayyukan aiki a cikin shekara guda, a lokacin da aka kwantar da shi a asibiti na tsawon watanni shida. An haɗa shi a cikin nasarar nasararsa 20 jirgin sama na Jamus, 18 daga cikinsu Messerschmitt Bf 109s. A tsakiyar 1941 an inganta Lock zuwa matsayin mai kula da jirgin.