This airman is listed in FE PoW list as Wing Commander - Can anyone explain how he was captured ? Thanks Paul

26217 Wyndham Powis WELCH G/Capt 01.09.57 Retirement

Birth 22 Aug 1910 Harpenden, Hertfordshire, England
Death 1st Nov 1999 Hastings, Sussex, England

Name: Wyndham Powis Welch
Nationality: English
Rank: W/Cdr.
Military Date: 1939-1945
Service Branch: Af
Service Number: 26217
Description: 1996: Prisoners of War, Far East: Movement Lists; October 1944; Camp III to Batavia to Bandoeng