Rear Admiral—two silver stars with a silver foul anchor in rear of them.
Commodore—one silver star with a silver foul anchor in rear of it.
Captain—a silver spread eagle with a silver foul anchor in rear of it.
Commander—a silver oak leaf with a silver foul anchor in rear of it.
U. S. Navy. Officers’ insignia of rank and Corps on collar
of blue service coat, showing right side of collar
| 1. Admiral of the Navy | 2. Admiral |
| 3. Vice Admiral | 4. Rear Admiral |
| 5. Commodore | 6. Captain |
U. S. Navy. Officers’ insignia of rank and Corps on collar
of blue service coat, showing right side of collar
| 1. Commander (Silver leaf) | 2.Lieutenant Commander (Gold leaf) |
| 3. Lieutenant | 4. Lieutenant, Junior Grade |
| 5. Ensign | 6. Medical Officer with the rank of Captain |