[Illustration: _Copyright, 1908, by Brig. Gen. J. B. Aleshire, Qr. Master General, U. S. A._ U. S. Army. Noncommissioned officers, olive-drab service uniform 1. Color Sergeant, Infantry 2. First Sergeant, Field Artillery 3. Company Quartermaster Sergeant, Cavalry 4. Sergeant, Signal Corps 5. Sergeant Major, Infantry] [Illustration: _Copyright, 1908, by Brig. General J. B. Aleshire. Qr. Master General, U. S. A._ U. S. Army. Enlisted men, Infantry full dress uniform 1. Corporal 2. First Sergeant 3. Private 4. Musician 5. Sergeant] _The service uniform_ for enlisted men of the Army consists of a single breasted sack coat of olive-drab woolen or cotton material, extending to about ten inches below the waist, with a standing collar, buttoned down the front with one row of five regulation bronze buttons, having four outside patch pockets, one on each breast and on each side below the waist line, each pocket being closed with a shield shaped flap buttoned by a small regulation button, and a strap of the same material as the coat on each shoulder sewed in at the shoulder seam and buttoned at the collar end by a small regulation button; breeches of the same material as the coat, khaki-colored canvas leggings, tan leather shoes; and a service cap or service hat. The service cap is a bell-crowned cap with a sloping tan leather visor and a tan leather chin strap across the front above the visor secured by a small bronze button at each end of the visor. The service hat is the brown felt wide brimmed hat universally called the “campaign hat” and is worn with what is known as the “Montana peak,” that is, brought to a point at the center of the top of the crown by making four dents in the top of the crown. A hat cord of the distinctive color of the corps or arm of the service to which the wearer belongs is worn around the base of the crown of the service hat. During war the steel helmet is worn when on duty in the trenches or on the battle line. In garrison the tan leather belt is worn with the service uniform, and in the field the webbing cartridge belt of the same color as the uniform is worn. Mounted men wear spurs and tan leather leggings with this uniform. In the tropics and in hot weather the service uniform of cotton material is worn, and at drills and in the field, the coat is sometimes dispensed with and the olive-drab flannel shirt is worn. The overcoat and gloves of olive-drab wool are worn when the weather requires. During time of war this is the only uniform worn by the men or carried by them into the field of operations.