United States Navy officer rank insignia
Overview
 
In the United States Navy
United States Navy
The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

, officers
Officer (armed forces)
An officer is a member of an armed force or uniformed service who holds a position of authority. Commissioned officers derive authority directly from a sovereign power and, as such, hold a commission charging them with the duties and responsibilities of a specific office or position...

 have various ranks
Military rank
Military rank is a system of hierarchical relationships in armed forces or civil institutions organized along military lines. Usually, uniforms denote the bearer's rank by particular insignia affixed to the uniforms...

. (For enlisted men, they are called rates in the USN.) Equivalency between services is by pay grade
Pay grade
Pay grades are used by the uniformed services of the United States to determine wages and benefits based on the corresponding military rank of a member of the services...

.
In the U.S. Navy, pay grades for officers are:
  • W-2 to W-5 for Chief Warrant Officer
    Warrant Officer (United States)
    In the United States military, the rank of warrant officer is rated as an officer above the senior-most enlisted ranks, as well as officer cadets and candidates, but below the officer grade of O-1...

    s. Chief Warrant Officers (CWO2-CWO5) are Commissioned Officers; a Warrant Officer (W-1) is not a commissioned officer. Warrant officers are "appointed" to their grade and have a probationary period assigned.
 
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