Non-commissioned officer
From Wikinfo
A non-commissioned officer ("NCO") is an enlisted soldier or sailor who has been delegated leadership or command authority by a commissioned officer. An experienced NCO corp is a very important part of Western armies.
The typical NCO is a sergeant.
See also
References
- Adapted from the Wikipedia article, "Non-commissioned_officer" http://en.wikipedia.org/wiki/Non-commissioned_officer, used under the GNU Free Documentation License

