Home Archive Search Media Media-418395.jpg FRE 8831 IMAGE Download Image By downloading this image, you are agreeing to our Terms and Conditions A modified B-17 Flying Fortress (F-BGSO), used by the French Institut Géographique National for aerial surveys. Image via Serge Blondin. Handwritten caption on reverse: 'Creil.' Revisions Date: 2 Feb 2015 10:00:13 ContributorAAMChangesAAM ingestSourcesIWM, Roger Freeman Collection