In military service, an enlisted rank is generally any rating below that of a commissioned officer. The term can be inclusive of non-commissioned officers and warrant officers. In its most exclusive sense, the term applies only to the lowest ranks of military service. Military service is service in the armed forces of a nation or the military arm of a political organization. ... In military organizations, an officer is a member of the service who holds a position of responsibility. ... A non-commissioned officer (sometimes noncommissioned officer), also known as an NCO or noncom, is a non-commissioned member of an armed force who has been given authority by a commissioned officer. ... A warrant officer (WO) or a chief warrant officer (CWO) is a member of a military organization, with a rank subordinate to other commissioned officers and senior to noncommissioned officers. ...

In the British Armed Forces they are collectively called Other Ranks. The armed forces of the United Kingdom are known as the British Armed Forces or Her Majestys Armed Forces, officially the Armed Forces of the Crown. ...