The chevrons for the summer field coat and for the flannel shirt are made of cloth of a darker shade than the coat, the stripes being three-eighths of an inch in width and the whole chevron being three and one-half inches wide. [Illustration: U. S. Marine Corps. Noncommissioned officers’ chevrons 1. Drum Major 2. First Sergeant 3. Gunnery Sergeant 4. Sergeant 5. Corporal] [Illustration: U. S. Marine Corps 1. Officers’ shoulder knot 2. Service buttons 3. Chevron for Lance Corporal 4. Gun Pointer’s sleeve mark 5. Drummer’s sleeve mark 6. Trumpeter’s sleeve mark] The chevrons for the winter field coat and for the overcoat are made of the same material as the coat on a backing of scarlet cloth, the dimensions being the same as for those on the summer field coat. The chevrons for the flannel shirt are the same as those for the summer field coat. The descriptions of the chevrons indicating the different ranks are, as illustrated, as follows: Sergeant Major Three bars with three arcs of a circle under the bars. Second Leader of the Band Three bars with three arcs and a cornet in the center. Quartermaster Sergeant Three bars and three straight ties under the bars. Quartermaster Sergeant of Three bars with three ties and the Paymaster Department a pile of coins crossed by a quill pen in the center. Gunnery Sergeant Three bars with a device of a bursting bomb and two crossed rifles in the center. Drum Major Three bars with three straight ties under the bars and a five-pointed star in the center. Sergeant Three bars. Corporal Two bars. Lance Corporal (Acting One bar, on the right sleeve corporal) only. Enlisted men of the Marine Corps who have regularly qualified as gun pointers aboard ships of the Navy wear a design representing a six-pounder gun and mount on the right sleeve midway between the wrist and the elbow, the design to be in scarlet on blue cloth for blue coat and in drab linen thread for the field coats and flannel shirt. Enlisted men detailed as gun captains aboard ships of the Navy wear the navy gun captain’s mark on the right sleeve midway between the wrist and the elbow. Enlisted men who have qualified as expert riflemen in the navy rifle target firing course wear a design representing a small arms target about four inches above the bottom of the sleeve of the dress coat, field coats, flannel shirt and overcoat, the design showing a target one inch square with two circles and a bull’s-eye inside of it.