United States Army Shoulder Patches and Related Insignia from World War I to Korea: Volume 3: Army Groups, Armies and Corps [Book]

Beginning in the Civil War, the U.S. Army sought to find an effective system to distinguish troops from different units. In the closing days of World War I, it finally arrived at a practical and desirable solution with the adoption of the shoulder patch or shoulder sleeve insignia. For more than eighty years, this often simple device, has been the source of pride and inspiration for servicemen everywhere.

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