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United States Navy

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The United States Navy is part of the United States Armed Forces (the military of the USA).

The navy mainly deals with ocean-based military actions. The navy was called the Continental Navy from 1775 until Congress established the Department of the Navy on April 30, 1798. A person (or member) in the navy is called a sailor.


Rank Title notes
Enlisted Ranks
E-1 recruit These ranks are divided into three groups:Seaman, Airman, and Fireman. The rank uses both the group and the title. For example an E-2 (apprentice) who is a Seaman is a Seaman Apprentice. An E-3 just uses Seaman, Airman, or Fireman.
E-2 apprentice
E-3 Seaman, Fireman, or Airman
E-4 Petty Officer 3rd class Petty Officers are more commonly referred to by their speciality ("rate") and class. For example, a Electronics Technician (ET) who is an E-5 is called an Electronics Technician 2nd class (ET2)
E-5 Petty Officer 2nd class
E-6 Petty Officer 1st class
E-7 Chief Petty Officer Chief Petty officers are referred to commonly by their level as chief (Chief, Senior Chief, or Master Chief) and officially by their level and rate (Chief Electronics Technician - ETC, Senior Chief Electronics Technician - ETCS, Master Chief Electronics Technician - ETCM)
E-8 Senior Chief Petty Officer
E-9 Master Chief Petty Officer
E-10 Master Chief Petty Officer
   of the Navy
There is only one Master Chief Petty Officer of the Navy at a time.
Officer Ranks
O-1 Ensign  
O-2 Lieutenant Junior Grade Commonly just called Lieutenant. Sometimes Lieutenant JG is used
O-3 Lieutenant  
O-4 Lieutenant Commander  
O-5 Commander  
O-6 Captain Same as the rank of Commodore in many other navies
O-7 Rear Admiral There are two ranks of Rear Admiral. While both are called the same, O-7 is Rear Admiral lower half. Lower half is only used when being very official.
O-8 Rear Admiral
O-9 Vice Admiral  
O-10 Admiral The rank of Fleet Admiral also O-10 but is only used at times of war