In the case of aircraft carriers in the U.S. Navy, the total ship's complement is divided into three categories: The number of personnel assigned to the ship's company of a Nimitz-class aircraft carrier averages 3,200 officers and enlisted, while the associated carrier air wing has approximately 2,500 officers and enlisted personnel, and the embarked carrier strike group staff will average 25 to 30 officers and enlisted personnel.
[1] The carrier's executive officer (XO) will also hold identical rank and aeronautical qualifications.
[2] Similarly, the deputy carrier air wing commander (known as the "DCAG") will also hold the same rank and qualifications.
The ship's company is usually divided into various companies or departments, the title varying depending on the extant tradition in that nation's naval service (Navy and/or Coast Guard), which are divided into divisions.
Depending on the size and type of ship, each company or department has an average of four divisions ranging from 10 people to several hundred.