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.
A lieutenant is a commissioned officer rank in the armed forces of many nations.
Lieutenant commander is a commissioned officer rank in many navies. The rank is superior to a lieutenant and subordinate to a commander. The corresponding rank in most armies and air forces is major, and in the Royal Air Force and other Commonwealth air forces is squadron leader.
Second lieutenant is a junior commissioned officer military rank in many armed forces.
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 by the armed forces of many countries. It is also a police rank in some police services. The rank is usually the lowest ranking non-commissioned officer. In some militaries, the rank of corporal nominally corresponds to commanding a section or squad of soldiers.
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.
Sergeant major is a senior non-commissioned rank or appointment in many militaries around the world.
Lance Corporal is a military rank, used by many English-speaking armed forces worldwide, and also by some police forces and other uniformed organisations. It is below the rank of corporal and is typically the lowest non-commissioned officer (NCO).
A chief petty officer (CPO) is a senior non-commissioned officer in many navies and coast guards, usually above petty officer.
Air marshal is an air-officer rank which originated within the Royal Air Force. The rank is used by the air forces of many countries which have historical British influence, including many Commonwealth nations. The rank is usually equivalent to a vice admiral or a lieutenant general.
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.
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 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.
A warrant officer (WO) in the British Armed Forces is a member of the highest-ranking group of non-commissioned ranks, holding the King's Warrant, which is signed by the Secretary of State for Defence.
Rank comparison chart of air forces of Asian states.
Rank comparison chart of naval forces of Commonwealth of Nations states.
Rank comparison chart of naval forces of Commonwealth of Nations states.
Military star ranking is military terminology, used in mainly English speaking countries, to describe general and flag officers. Within NATO's armed forces, the stars are equal to OF-6–10.
Bangladesh Army [2] 
Bangladesh Navy [3] 
Bangladesh Air Force [4] 
