English Shoulder Sleeve Insignia (SSI) of the United States Army Chemical School. applies to jurisdiction: United States of America determination method...
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929...
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. This file has been identified...
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. This file has been identified...