There is a note in the Clutton-Brock/Crompton book, (The Long Road,...) that Sergeant Joce escaped during a prisoner march and was repatriated through Odessa. Further research is required to find more detail
Footprints on the Sands of Time, RAF Bomber Command Prisoners of War in Germany 1939-45 by Oliver Clutton-Brock, page 329
The Long March, Trials and Tribulations of Airmen Prisoners from Stalag Luft VII (Bankau) to Berlin, June 1944-May 1945 by Oliver Clutton-Brock and Raymond Crompton, pages 244, 314
