Wing Commander John Williamson AM RAAF (Rtd.) is a member of the MHSA Victorian Branch. He is author of ‘A Delayed Salute: To the Memory of a World War II Air Crew No. 138 ‘Special Duties’ Squadron, RAF Tempsford’. John is a retired specialist anaesthetist with additional qualifications in marine toxinology and diving and hyperbaric medicine. He is a former National Serviceman (Army, Wacol, Queensland) and a retired Wing Commander from the RAAF Medical Specialist Reserve.
On the night of 27/28 April 1944, flying from the secret RAF Tempsford Airfield in England a Mark V-LL356 NFU Halifax bomber of No. 138 ‘Special Duties’ (SD) Squadron carrying its seven man crew, headed for its secret ‘Drop Zone’ (DZ) in German-occupied Belgium.