A collection of United States Army Distinctive Unit Insignia (32)

A collection of United States Army Distinctive Unit Insignia, gilt-metal and enamel pin badges displaying the arms of various specialist chemical warfare units, including: 48th Chemical Brigade (To Protect the Nation), 31st Chemical Bridage (Dixie Brigade), 415 Chemical Brigade (Chemism), 420th Chemical Battalion (Passage Assured), 457 Chemical Battalion (Cover the Attack),145 Chemical Battalion (We Can Adapt), 103 Chemical Battalion (Stabilis Victoria), and various others (32)