On 1944-07-18, Pilot J Kalen (Flying Officer, RCAF) service number J/21856 flew Typhoon Ib serial MN574 for this duty: bombing operation. His mission was not completed. Circumstances of the aircraft loss: Multiple hits by flak in wing tanks, abandoned, crashed near Mesnil-Frementel. This aircraft was a part of squadron no. 439. The location for the map is Mesnil Frementel, 14630 Cagny, France. Circumstances at the end of this mission for Kalen: he was killed. He is commemorated at: Bretteville-Sur-Laize Canadian War Cemetery, France.