He was only 20 in 1944- same as my brother, just 20.
from CWGC site.
JONES, GLYNN
Initials: G
Nationality: United Kingdom
Rank: Sergeant (Air Gnr.)
Regiment/Service: Royal Air Force Volunteer Reserve
Unit Text: 460 (R.A.A.F.) Sqdn.
Age: 20
Date of Death: 31/03/1944
Service No: 1684714
Additional information: Son of Sarah Ann Jones, of Bentley, Doncaster, Yorkshire.
Casualty Type: Commonwealth War Dead
Grave/Memorial Reference: 8. B. 4.
Cemetery: DURNBACH WAR CEMETERY