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Air Mail
On 16 April 1925, the 22nd Observation Squadron, assigned to Maxwell Field, participated in a trial flight for the US Post Office Department. This flight helped set the stage for the establishment of an airmail route between the Gulf Coast and northern Great Lakes area. (U.S. Air Force photo)

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Photo by: Air University History Office |  VIRIN: 180208-F-ZZ999-1006.JPG