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.
Military ranks are a system of hierarchical relationships, within armed forces, police, intelligence agencies or other institutions organized along military lines. The military rank system defines dominance, authority, and responsibility in a military hierarchy. It incorporates the principles of exercising power and authority into the military chain of command—the succession of commanders superior to subordinates through which command is exercised. The military chain of command constructs an important component for organized collective action.
A non-commissioned officer (NCO) is a military officer who does not hold a commission. Non-commissioned officers usually earn their position of authority by promotion through the enlisted ranks. In contrast, commissioned officers usually enter directly from a military academy, officer training corps (OTC) or reserve officer training corps (ROTC), or officer candidate school (OCS) or officer training school (OTS), after receiving a post-secondary degree.
Second lieutenant is a junior commissioned officer military rank in many armed forces. The lowest officer rank, it is usually placed below lieutenant or first lieutenant.
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 Old French term serjant.
Sergeant major is a senior non-commissioned rank or appointment in many militaries around the world.
A petty officer (PO) is a non-commissioned officer in many navies. 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.
Chief Warrant officer is a senior warrant officer rank, used in many countries.
The Military ranks of Finland are the military insignia used by the Finnish Defence Forces. The ranks incorporates features from Swedish, German, and Russian armed forces. In addition, the system has some typically Finnish characteristics that are mostly due to the personnel structure of the Finnish Defence Forces. The ranks have official names in Finnish and Swedish languages and official English translations. The Swedish forms are used in all Swedish-languages communications in Finland, e.g. in Swedish-speaking units of Finnish Defence Force. The system of ranks in the Swedish Armed Forces is slightly different.
Before Unification as the Canadian Armed Forces in 1968, the Canadian military had three distinct services: the Royal Canadian Navy, the Royal Canadian Air Force, and the Canadian Army. All three services had a Regular (full-time) component and a reserve (part-time) component. The rank structure for these services were based on the services of the British military, the Royal Navy, the Royal Air Force, and the British Army. The change to a "Canadian" rank structure meant that many of the traditional (British) rank titles and insignia were removed or changed.
The military ranks of Israel are the military insignia used by the Israel Defense Forces (IDF). Because the IDF is an integrated force, ranks are the same in all services The ranks are derived from those in the paramilitary Haganah, which operated during the Mandate period in order to protect the Yishuv.
Master warrant officer (MWO) is a senior military rank in the Bangladesh Armed Forces, the Canadian Forces, Singapore Armed Forces, the South African National Defence Force and the Israel Defense Forces.
The Singapore Armed Forces (SAF) has five rank schemes for active and reservist personnel, with a sixth for the auxiliaries of the SAF Volunteer Corps. The SAF has a unique rank structure as an integrated force, ranks are the same in the Singapore Army, the Republic of Singapore Navy (RSN), the Republic of Singapore Air Force (RSAF), and the Digital and Intelligence Service (DIS).
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.
Commandant is a military rank used in many countries, where it is usually equivalent to the rank of major.
The system of Vietnamese military ranks was originally introduced on 22 March 1946 by President Ho Chi Minh, originally based on the military ranks system of Japanese military. Reference designs to the military ranks system of the French military. In 1958, the Vietnam People's Army military ranks system was changed, and has no Marshal or General of the Army or Brigadier General. In contrast, the Colonel General, Senior Colonel or Senior Lieutenant in Vietnam at present do not exist in many countries.
Major in France, is a senior superior military rank across various military and security institutions with history dating back well beyond the 18th century.
Rank comparison charts of armies/land forces of apartheid states and territories in Southern Africa.
