Marine Gunners perform duty in the Marine Corps analogous to that performed by Gunners in the Navy.
Quartermaster Clerks perform duties as assistants to the officers of the Paymaster and Quartermaster Departments of the Marine Corps corresponding to the duties of Pay Clerks in the Navy.
NONCOMMISSIONED OFFICERS
The noncommissioned officers of the Marine Corps perform duties ashore similar to those performed by noncommissioned officers of infantry and artillery in the Army and also perform duties aboard ship similar to those performed by certain of the petty officers of the Navy.
The Marine Detachments assigned to some of the smaller ships of the Navy are commanded by First Sergeants.
Gunnery Sergeants are assigned duties afloat similar to those performed by Gunner’s Mates in the Navy, while on shore their duties are normally in connection with the care and repair of the guns of the artillery, both heavy and light.
In the Coast Guard in times of peace when the service is operating under the Treasury Department the duties of the various grades of officers are as follows:
| Captain Commandant | In charge of the service at the Headquarters in Washington, D. C. | |
| Senior Captain | In charge of a Division of the Service. | |
| Captain | Command of a Cruising Cutter. | |
| First Lieutenant | Command of a Harbor Cutter or Executive Officer of a Cruising Cutter. | |
| Second Lieutenant |  | Watch Officer on a Cruising Cutter. |
| Third Lieutenant | ||
Engineer Captains and Lieutenants perform engineering duty on the cruising and harbor cutters in accordance with their rank.
WARRANT OFFICERS