Warrant Officer Class 2 (abbreviated WO2) is a rank in the Royal Navy, Royal Marines, and British Army. It ranks immediately below Warrant Officer Class 1, and above Chief Petty Officer in the RN, Colour Sergeant in the RM, and Staff Sergeant in the Army. It has no exact equivalent in the Royal Air Force, ranking above Flight Sergeant but below the RAF's Warrant Officer / Master Aircrew. The Royal Navy of the United Kingdom is the senior service of the armed services, being the oldest of its three branches. ... The Corps of Royal Marines, usually just known as the Royal Marines (RM), are the United Kingdoms amphibious forces and a core component of the countrys Rapid Reaction Force. ... The British Army is the land armed forces branch of the British military. ... Warrant Officer Class 1 (abbreviated WO1) is the highest non-commissioned rank in the Royal Navy, Royal Marines, and British Army. ... Good conduct variation Chief Petty Officer insignia Chief Petty Officer is the seventh enlisted rank in the U.S. Navy, just above Petty Officer First Class and below Senior Chief Petty Officer, and is a non-commissioned officer. ... Colour Sergeant (CSgt or C/Sgt) is an non-commissioned rank in the Royal Marines, ranking above Sergeant and below Warrant Officer Class 2. ... United States Military Staff Sergeant insignia (U.S. Air Force) Staff Sergeant is the fifth enlisted rank in the U.S. Air Force, just above Senior Airman and below Technical Sergeant. ... Flight Sergeant (FS or Flt Sgt) is a non-commissioned rank in the Royal Air Force, above Chief Technician and below Warrant 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. ...

For more informations, see the UK section of the Warrant Officer page. 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. ...

The correct form of the rank is as given; Warrant Officer 2nd Class is incorrect, and using it within earshot of a WO2 will provoke the response "I am not a second class anything."