Warrant officer (WO) is a rank or category of ranks in the armed forces of many countries. Depending on the country, service, or historical context, warrant officers are sometimes classified as the most junior of the commissioned officer ranks, the most senior of the non-commissioned officer (NCO) ranks, or in a separate category of their own. Warrant officer ranks are especially prominent in the militaries of Commonwealth nations and the United States.
Sergeant is a rank in use by the armed forces of many countries. It is also a police rank in some police services. The alternative spelling, serjeant, is used in The Rifles and other units that draw their heritage from the British light infantry. Its origin is the Latin serviens, 'one who serves', through the French term sergeant.
Corporal is a military rank in use in some form by the armed forces of many countries. It is also in use by some police forces or other uniformed organizations. The word is derived from the medieval Italian phrase capo corporale. The rank is usually the lowest ranking non-commissioned officer.
Staff sergeant is a rank of non-commissioned officer used in the armed forces of many countries. It is also a police rank in some police services.
A master sergeant is the military rank for a senior non-commissioned officer in the armed forces of some countries.
Sergeant major is a senior non-commissioned rank or appointment in many militaries around the world.
An airman is a member of an air force or air arm of a nation's armed forces. In certain air forces, it can also refer to a specific enlisted rank. An airman can also be referred as a soldier in other definitions.
A petty officer (PO) is a non-commissioned officer in many navies and is given the NATO rank denotation OR-5 or OR-6. In many nations, they are typically equal to a sergeant in comparison to other military branches. Often they may be superior to a seaman, and subordinate to more senior non-commissioned officers, such as a chief petty officers.
The chart below represents the current enlisted rank insignia of the United States Air Force.
Technical sergeant is the name of two current and two former enlisted ranks in the United States Armed Forces, as well as in the U.S. Civil Air Patrol. Outside the United States, it is used only by the Philippine Army, Philippine Air Force and the Philippine Marine Corps.
Senior master sergeant is the military rank for a senior non-commissioned officer in the armed forces of some countries.
A chief master sergeant is the military rank for a senior non-commissioned officer in the armed forces of some countries.
The South African National Defence Force's rank system is largely based on the British system, with the Air Force sharing the Army rank titles. Rank titles changed over time as did the insignia.
The comparative military ranks of Korea are the military insignia used by the two nations on the Korean Peninsula, those being the Republic of Korea Armed Forces and the Korean People's Army of the Democratic People's Republic of Korea. The United States Forces Korea personnel wear the ranks and insignia used by other service personnel of the United States Armed Forces in the territories of the United States.
Specialist is a military rank in some countries' armed forces. Two branches of the United States Armed Forces use the rank. It is one of the four junior enlisted ranks in the United States Army, above private (PVT), private (PV2), and private first class and is equivalent in pay grade to corporal; in the United States Space Force, four grades of specialist comprise the four junior enlisted ranks below the rank of sergeant.
The Australian Defence Force's (ADF) ranks of officers and enlisted personnel in each of its three service branches of the Royal Australian Navy (RAN), the Australian Army, and the Royal Australian Air Force (RAAF) inherited their rank structures from their British counterparts. The insignia used to identify these ranks are also generally similar to those used in the British Armed Forces.
The uniforms of the United States Air Force are the standardized military uniforms worn by airmen of the United States Air Force to distinguish themselves from the other services.
The Senior Enlisted Advisor to the Chief of the National Guard Bureau is the top enlisted person in the National Guard of the United States; which is a joint reserve component of the United States Army and the United States Air Force.
The chief master sergeant of the Space Force (CMSSF) is the senior enlisted advisor to the chief of space operations and the secretary of the Air Force. The chief master sergeant of the Space Force is the most senior enlisted guardian in the U.S. Space Force, unless an enlisted guardian is serving as the Senior Enlisted Advisor to the Chairman.
