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
Pilot certification in the United States as one who holds both a pilot certificate and a valid medical certificate, for certifications that require a medical certificate. United States military pilots are issued an Aviator Badge upon completion of flight training and issuance of a pilot's certificate. Badges for crew or ground positions are also issued to qualified applicants. Unmanned Aircraft System (Drone) pilots are required to obtain a remote pilot airman certificate with a small UAS rating when operating commercially. All certificated pilots, with the exception of those with a sport or Recreational pilot certificate (or when in command of balloons or gliders, including power assisted