A non-commissioned officer is an enlisted leader, petty officer, or in some cases warrant officer, who does not hold a commission. Non-commissioned officers usually earn their position of authority by
A sergeant of the Coldstream Guards addressing through the ranks during the rehearsal for the Trooping the Colour ceremony.
Sergeant, Royal Artillery, on the esplanade of Edinburgh Castle, firing the one o'clock gun
A First Sergeant with the 55th Signal Company (Combat Camera) gets his soldiers ready for a uniform inspection
Colour sergeant is a non-commissioned officer rank found in several armies and marine corps.
1813 engraving of a colour sergeant (left) of the 9th Foot
Colour party of the Royal Bermuda Regiment, with a colour sergeant to the left of the colours
Color sergeant insignia used by the United States Army during World War I