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Male personnel wear the following insignia, secured through the front eyelet, on the service cap and drill sergeant hat.
(1) Officers
The insignia is the coat of arms of the United States, 2–3/8 inches in height, in gold-colored metal (see fig 21–1).
It is worn by commissioned officers and warrant officers.

(2) Sergeant Major of the Army
The insignia is the coat of arms of the United States within a wreath, 1–15/16 inches in height, in gold-colored metal (see fig 21–2).

(3) Enlisted personnel
The insignia is a plain, gold-colored disk, 1–1/2 inches in diameter, with a gold-colored metal coat of arms of the United States attached to the disk (see fig 21–3).

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