For the naval officer, an outline of the functions and the responsibilities of the heads of departments aboard ship, the administration and organization of these departments. Various Commanders have contributed chapters in their special capacities, explaining the obligations of Captain, Executive Officer, Navigator, Gunnery Officer, Damage Control Officer, Air Department, Communications, Supply, Medical and Chaplain. The daily routine, the paper work, personnel, training and promotion, equipment, clothing, duties, interrelation with other departments and necessity of teamwork, in action and on routine duty. The background experience of the department heads in major combatant ships who have contributed to this book represent a wide range of ships, -- battleship, heavy cruiser, airplane carrier, submarine, etc. and have in turn consulted officers carrying similar responsibility on other types of ships, so the subject is pertinent to ""navy shipboard administration"" wherever encountered.