&sq=Albert Einstein&lang=en&file=File:Question_book-new.svg){kind=small} | This article needs additional citations for verification. (May 2008) |
| Captain | |
|---|---|
&sq=Albert Einstein&lang=en&file=File:US-O6_insignia.svg) Insignia of the naval rank of Captain | |
| Country |  United States |
| Service branch | |
| Abbreviation | CAPT |
| Rank group | Senior officer |
| NATO rank code | OF-5 |
| Pay grade | O-6 |
| Next higher rank | Rear admiral (lower half) |
| Next lower rank | Commander |
| Equivalent ranks | Colonel |
In the uniformed services of the United States, captain is a commissioned-officer rank. In keeping with the traditions of the militaries of most nations, the rank varies between the services, being a senior rank in the naval services and a junior rank in the ground and air forces. Many fire departments and police departments in the United States also use the rank of captain as an officer in a specific unit.