At top - title: 'Operations, 50 44 630 Squadrons, Manchester aircraft 333 1/2 operational hours, Lancaster aircraft'.
On the left and right - RAF bases and operations carried out from them.
On the right - a map on northern Europe and United…
On the left a reconnaissance photograph of RAF Skellingthorpe marked with runway directions and operations blocked indicated by an arrow. On the right a colour map of the Birchwood section of Lincoln with airfield boundary and runways drawn over.
Map of Birchwood section of Lincoln with runways drawn over. Also indicated are the control tower and parts of perimeter track. Taken from Air Ministry plan ref. 214/45