Simon Glancey has submitted the following:
Sgt. Walker was killed when Short Stirling III EF159 WP-B of 90 Sqn was lost on a mission to bomb railway yards at Laon. The Stirling was shot down by a Luftwaffe night-fighter flown by Oblt. Dietrich Schmidt of III./NJG1, and crashed between Mortefontaine and Vivieres, with the loss of all seven crew members.
Royal Air Force Bomber Command Losses of the Second World War: 1944; W.R. Chorley; 1997; Midland Counties Publications; ISBN 0 904597 91 1, page 183
Tony Hibberd has provided the following:
Stirling EF159 WP-B had departed Tuddenham at 2220 for Ops Laon
It was intercepted at 2800M above Morte-Fontaine. 40km SW of Laon by a Night-Fighter captained by Nacht Jagd “Experten” Oblt Dietrich Schmidt (VIII/NJG1) and shot down at 0026 for his 18th Abschuss
Nachtjagd Combat Archive 1944 Part 2 Dr Theo Boiten
Arnold Walker is remembered in Bishop Auckland on B140.01
