Commanding Officer. Of a ship, is the senior officer aboard at the time.
Commercial Code. Signalling code formerly used in merchant ships. Based on Marryaf s Code. Superseded by 'International Code'.
Commission. Document issued by sovereign of a state and authorÂising a person to hold office and rank. 2. To take a naval ship out on service. 3. Document authorising an officer to take a naval ship on service. 4. Period a naval ship is on service. 5. Money paid to a factor or agent for services rendered: generÂally calculated as a percentage of subject matter concerned.