US Army Air Force
Bombardiers' Information File US Army Air Force May 1945
Here is a WWII-era Bombardiers' Information File published by the US Army Air Force May 1945. It contains the essential information on the duties and responsibilities of the bombardier.
It is in very good condition given its age. It has some slight water damage on one page, see photo. Measures 8.5 x 11 inches, and ~0.5 inches thick.