Description: M1A1 75mm Pack Howitzer with pre-war carriage and wheels, provided by U.S. to Chinese allies in 1942.

Source:

1) Library of Congress, Prints & Photographs Division, FSA-OWI Collection, LC-USW33-000851-C DLC

2) http://www.olive-drab.com/idphoto/id_photos_m116packhow.php .

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This image is a work of an employee of the United States Farm Security Administration or Office of War Information domestic photographic units, taken as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States. See Copyright.