Public domain
Greenville, South Carolina. Air Service Command. Sergeant John Riley of the 25th service group getting instruction on the Rolls Royce aircraft motor
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineGreenville, South Carolina. Air Service Command. Sergeant John Riley of the 25th service group getting instruction on the Rolls Royce aircraft motor. 1943-01-01. Delano, Jack. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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