Simon Glancey has submitted the following:
Sgt. Swanston was killed when Avro Lancaster III JB420 DX-S of 57 Squadron was lost on a mission to Berlin. The Lancaster crashed near Blokzijl, 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 76
Tony Hibberd has added the following:
Lancaster JB420 DX-S had departed East Kirkby at 1725 for Ops Berlin. It was intercepted at 6400M nr Blokzijl by a Night-Fighter captained by Nacht-Jagd “Experten” Oblt Hermann Greiner (XII/NJG1) and shot down at 2259 for his 15th Abschuss.
Nachtjagd Combat Archive 1944 Part 1 Dr Theo Boiten
Leslie Seton Dewar Swanston is remembered in Berwick on B25.12 and B25.35
