_General Officers_ (except the Quartermaster General and Brigadier Generals of the Quartermaster Corps) dark blue. _Quartermaster General and Brigadier Generals of the Quartermaster Corps_ buff. _Adjutant General’s Department_ dark blue. _Inspector General’s Department_ dark blue. _Judge Advocate General’s Department_ dark blue. _Quartermaster Corps_ buff. _Ordnance Department_ black piped with scarlet. _Signal Corps_ orange piped with white. _Medical Corps_ maroon. _Corps of Engineers_ scarlet piped with white. _Cavalry_ yellow. _Artillery_ scarlet. _Infantry_ light blue. _Chaplains_ black. The insignia to designate the corps, department or arm of the service to which an officer belongs, as shown in the illustrations, are made of bright metal, gold or silver according to the corps, for blue and white uniforms and dull finish bronze for service uniforms. They are worn on the sleeves of the full dress coat, special evening dress coat, blue mess jacket and white mess jacket, and on each side of the collars of the dress coat, service coats and olive-drab flannel shirt. The bright metal insignia are as follows: _All officers._—The letters “U. S.” in Gothic design, five-eighths of an inch high, each letter followed by a period, are worn on each side of the collar of the dress and service coats. For officers of the Reserve Corps the letter “R” is added and for officers of the Volunteers the letter “V” is added. These letters are of gold except for officers of the Engineer Corps who wear them in silver. [Illustration: U. S. Army. Officers’ insignia indicating rank Shoulder straps worn on the olive-drab service coats and the white coat 1. General 2. Lieutenant General 3. Major General 4. Brigadier General] [Illustration: U. S. Army. Officers’ insignia indicating rank Shoulder straps worn on the olive-drab service coats and the white coat 1. Colonel 2. Lieutenant Colonel (Silver Leaf), Major (Gold Leaf) 3. Captain. 4. First Lieutenant (Silver Bar), Second Lieutenant (Gold Bar) 5. Field Clerk] _General Staff Corps._—A gold five-pointed star one and a quarter inches in diameter surmounted by the coat of arms of the United States in gold and enamel. _Corps of Engineers._—The letters “U. S.” of silver and a turretted castle of silver. _Chaplains._—A silver Latin cross. _Adjutant General’s Department._—A gold shield one inch high. _Inspector General’s Department._—A sword and fasces of gold, crossed and surmounted by a gold wreath with the inscription “Droit et Avant” in blue enamel on the wreath.