R.A.F. 100 Squadron reformed on 15 December 1942 at R.A.F. Grimsby, Lincolnshire, England flying as part of No. 1 Group of R.A.F. Bomber Command.
On 1st November 1940, R.A.F. 207 Squadron reformed as part of Bomber Command flying Avro Manchester planes before converting to the Avro Lancaster in 1942.
R.A.F. 50 Squadron reformed at R.A.F. Waddington, Lincolnshire, England on 3rd May 1937. They operated throughout the Second World War as a bomber squadron.
On 30th July 1942, Armstrong Whitworth Whitley Z9192 came down in Cornwall and 3 Ulstermen in the A.A.F. with R.A.F. 502 (Ulster) Squadron died as a result.
R.A.F. 58 Squadron flew from Yorkshire, England when they flew one of the first leaflet drop missions of the Second World War on 3rd-4th September 1939.
R.A.F. 9 Squadron suffered some of the earliest losses in the Second World War when Flight Sergeant Borley's Wellington went down on 4th September 1939.