What is Non-commissioned officer?
A '''non-commissioned officer''' (sometimes spelled '''noncommissioned officer''' and shortened to '''NCO''' or '''non-com''' (US)), called a '''[[sub-officer]]''' in some countries, is a military [[Officer (armed forces)|officer]] who has not been given a [[Commission (document)|commission]].<ref>{{cite web|url=http://www.macmillandictionary.com/dictionary/british/non-commissioned-officer |title=non-commissioned officer – definition of non-commissioned officer by Macmillan Dictionary |publisher=Macmillandictionary.com |date= |accessdate=2012-07-10}}</ref><ref>{{cite web|url=http://www.ldoceonline.com/dictionary/NCO |title=NCO – Definition from Longman English Dictionary Online |publisher=Ldoceonline.com |date= |accessdate=2012-07-10}}</ref><ref>{{cite web |url=http://www.oxforddictionaries.com/view/entry/m_en_gb0561930#m_en_gb0561930 |title=Definition of non-commissioned – Oxford Dictionaries (British & World English) |publisher=Oxford Dictionaries |date= |accessdate=2012-07-10 |archive-date=2010-10-23 |archive-url=https://web.archive.org/web/20101023205018/http://oxforddictionaries.com/view/entry/m_en_gb0561930#m_en_gb0561930 |url-status=dead }}</ref> Non-commissioned officers, in the English-speaking world, usually obtain their position of authority by promotion through the [[enlisted rank]]s.<ref>{{cite web|url=http://www.chambersharrap.co.uk/chambers/features/chref/chref.py/main?query=non-commissioned+officer&title=21st |title=Chambers &#124; Free English Dictionary |publisher=Chambersharrap.co.uk |date= |accessdate=2012-07-10}}</ref> NCOs usually include all grades of [[corporal]] and [[sergeant]]; in some countries, [[warrant officer]]s also do the same things as NCOs. In the navy and depending on the country, some or all grades of [[petty officer]] may be counted as NCO's. There are different classes of non-commissioned officer, including junior non-commissioned officers (JNCO) and senior (or staff) non-commissioned officers (SNCO). ==Related pages== *[[Military rank]]s ==References== <references/> ==