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…
Map showing route to Schweinfurt with numbers (squadron and squadron letter, aircraft registration and location) indicating crash sites of lost aircraft. On the reverse '5 Group Operation to Schweinfurt April 26/27, 1944, Route taken and crash sites…