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
Escape and evasion map Escape and evasion map Evasion charts, are maps made for servicemembers to be used when caught behind enemy lines to perform escape and evasion, escape maps were secreted to prisoners of war by various means to aid in escape attempts. During World War II, these maps were used by many American, British, and allied servicemen to escape from behind enemy lines. "The Allies needed to be able to print their clandestine maps on a material that would be hardier than paper -- material that wouldn't tear or dissolve in water" Modern evasion charts, produced for the US, UK, and NATO