The White Service Coat for commissioned officers is a single-breasted coat of the same length as the blue service coat, with standing collar, buttoned with a single row of five Coast Guard gilt buttons, and having on each breast a pocket with a flap buttoned by a small gilt button. Shoulder marks indicating the rank and corps of the wearer are worn with this coat.
Shoulder Marks.—The shoulder marks worn on the shoulders of the white service coat and also upon the shoulders of the overcoat to indicate the rank and corps of the wearer are five inches long and two and a quarter inches wide, covered with dark blue cloth, and decorated with gold stripes and corps insignia to indicate the rank and corps of the wearer, these stripes and insignia being the same for the various ranks and corps as those worn on the sleeves of the full dress coat as previously described.
The Blue Service Cap is of the same shape and design as the full dress cap except that the braid around the band is of black mohair and the visor is made of black patent leather, the decorations on the visor for the Captain Commandant, Senior Captains, Captains, Engineer in Chief and Captains of Engineers being of gold embroidery the same as for the full dress cap.
The White Service Cap is of the same shape and description as the blue service cap except that the sides and crown above the band are of white duck.
U. S. Coast Guard. Petty officers’ chevrons
| 1. Master-at-Arms | 2. Signal Quartermaster |
| 3. Water Tender | 4. Electrician, Third Class |
U. S. Coast Guard. Petty officers’ specialty marks
| 1. Wheelman | 2. Electrician | 3. Coxswain |
| 4. Sailmaker | 5. Carpenter, Plumber, Painter | 6. Yeoman |
| 7. Blacksmith | 8. Bayman | 9. Bugler |