A non-commissioned officer (sometimes spelled noncommissioned officer, abbreviated to NCO or non-com (US)), called a sub-officer in some countries, is a military officer who has not been given a commission. Non-commissioned officers, in the English-speaking world, usually obtain their position of authority by promotion through the enlisted ranks.
The NCO corps usually includes all grades of corporal and sergeant; in some countries, warrant officers also carry out the duties of NCOs. The naval equivalent includes some or all grades of petty officer, although not all navies class their petty officers as NCOs. There are different classes of non-commissioned officer, including junior non-commissioned officers (JNCO) and senior (or staff) non-commissioned officers (SNCO).
Read more about Non-commissioned Officer: Function, Related Abbreviations
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“If the tax-gatherer, or any other public officer, asks me, as one has done, “But what shall I do?” my answer is, “If you really wish to do anything, resign your office.” When the subject has refused allegiance, and the officer has resigned his office, then the revolution is accomplished.”
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