Document for May 15th:
"Pilot Wm. C. Hopson, U.S. Mail Service Winter Flying Clothing."
Reguarly scheduled airmail service first began in the United States on May 15, 1918. Pictured here is Wm. C. Hopson, a Mail Service pilot in 1926.
This photograph was part of The Way We Worked exhibition, on display at the National Archives in 2006.
More Photos from the "New Era" in Picturing the Century...
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