Took off from East Moor at 22:13 in Halifax VII RG455 (Sqn code QO-X Bomber Command) to bomb the town's Rhenania Ossag synthetic oil refinery.
Shot down (means not found)and crashed West of Cologne, Germany.
Killed: Sergeant Christopher Ignatius Grant RAF KIA Rheinberg War Cemetery Ref: Joint grave 17. D. 10-11. Pilot Officer Wells Gibb Mendenhall RCAF J/93949 KIA Rheinberg War Cemetery Ref: 17. D. 9. Flying Officer Edwin Frederick Patzer RCAF J/87362 Pilot KIA Rheinberg War Cemetery Ref: Joint grave 17. D. 10-11.
POWs includes Grant: Pilot Officer Frank Shannon Daley RCAF R/165707 POW camp not listed. Flying Officer George Borden Henson RCAF J/36831 POW camp not listed. Flying Officer Alexander Humphrey May RCAF J/29390 POW camp not listed.
