A lieutenant is a junior commissioned officer rank in the armed forces of many nations, as well as fire services, emergency medical services, security services and police forces.
Major is a senior military officer rank used in many countries. When used unhyphenated and in conjunction with no other indicators, major is one rank above captain in armies and air forces, and one rank below lieutenant colonel. It is considered the most junior of the senior officer ranks.
Sergeant (Sgt) 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.
First lieutenant is a commissioned officer military rank in many armed forces; in some forces, it is an appointment.
A NATO standard grade scale is used by the NATO and its partners for the purpose of comparing military ranks across the member nations militaries, as well as for a number of administrative tasks.
Commissioned officers' rank comparison chart of all land forces of NATO member states.
This page lists the enlisted ranks and insignia of NATO member armies. For the comparison chart of the commissioned officers, see Ranks and insignia of NATO armies officers.
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.
The Military ranks of South Korea are the military insignia used by the Republic of Korea Armed Forces. Due to the close military cooperation and the presence of the United States Forces Korea, South Korean ranks are inspired by the United States.
First sergeant is typically a senior non-commissioned officer rank, used in many countries.
Corporal first class is a military rank in use by many militaries and is usually a non-commissioned officer.
The Military ranks of North Korea are the military insignia used by the Korean People's Army. Due to the close military cooperation, North Korean ranks are inspired by the Soviet ranks system.
Rank comparison chart of non-commissioned officers (NCOs) and enlisted personnel for all armies and land forces of European states.
The Military ranks of Mauritania are the military insignia used by the Armed Forces of Mauritania. Being a former colony of France, Mauritania shares a rank structure similar to that of France.
The Military ranks of Mali are the military insignia used by the Malian Armed Forces. Mali is a landlocked country, and does therefore not possess a navy. Being a former colony of France, Mali shares a rank structure similar to that of France.
The Military ranks of Burkina Faso are the military insignia used by the Burkina Faso Armed Forces. Burkina Faso is a landlocked country, and does therefore not possess a navy. Burkina Faso shares a rank structure similar to that of France.
Rank comparison chart of officers for armies/land forces of Francophone states.
Rank comparison chart of Non-commissioned officer and enlisted ranks for armies/land forces of Francophone states.
Rank comparison chart of all armies and land forces of the European Union member states.
Rank comparison chart of non-commissioned officers (NCOs) and enlisted personnel for all armies and land forces of the European Union member states.
Luxembourg Army [1] 
