Escape and evasion map printed on playing cards distributed to Prisoners of War which could be soaked and pealed apart revealing the escape map. Many of the maps of the Pacific region were printed by the US Army Map Service, while the UK was responsible for many of the European Theatre maps. Many of the US Navy charts were folded in envelopes and distributed to the air crews before a mission, and to be turned in when the mission was successfully completed. They were called "drift charts" by the Navy, "...since their prime purpose was to indicate to aircrews survivors in their life rafts
Aerial reconnaissance in World War I files somewhere along the process. Finally, the recurrent pattern of reconnaissance not gaining recognition commensurate with its importance developed during these years. There were no “reconnaissance aces” and recon pilots were not household names. Air combat gained immense publicity, but – apart from reconnaissance – air operations had negligible military effect. This imbalance in perception would have consequences for preparedness in later years. Aerial reconnaissance in World War I Aerial reconnaissance using heavier-than-air machines was an entirely new science that had to be improvised step-by-step. Early operations were low-level flights with the pilot often dismounting from the plane to report