Took off from Lissett at 12:00 in Halifax Mk III (Sqn code NP-M Bomber Command) on an operation to Essen Germany.
Aircraft was lost without trace.
Killed includes Cookson: Flying Officer Donald William Bateman RCAF J/40084 KIA Runnymede Memorial Panel 278. Flying Officer Clifford Wesley Hall RCAF J/36977 KIA Runnymede Memorial Panel 279. Flying Officer Gordon Albert Hoggard RCAF J/40429 KIA Runnymede Memorial Panel 279. Flight Sergeant Wesley Grenfell Roberts RCAF R/263475 KIA Runnymede Memorial Panel 282. Sergeant William Arthur Frost RAF KIA Runnymede Memorial Panel 274. Sergeant Myrddin Sills RAF KIA Runnymede Memorial Panel 276.
