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.
Modern Russian military ranks trace their roots to the Table of Ranks established by Peter the Great. Most of the rank names were borrowed from existing German/Prussian, French, English, Dutch, and Polish ranks upon the formation of the Russian regular army in the late 17th century.
Praporshchik is a rank used by the Russian Armed Forces and a number of former communist states. The rank is a non-commissioned officer's and is equivalent to Michman in the corresponding navies. It is usually equivalent to warrant officer class 1 or sergeant major in English-speaking armies. Within NATO forces, the rank is rated as OR-7 or OR-8.
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 ranks of the Cuban Revolutionary Armed Forces are the military insignia used by the Cuban military.
The People's Liberation Army (PLA) has not always used ranks or insignia. In common with the practice of the Red Army at the time of its founding in 1927, neither were used until 1955 when a system of ranks was established. As a result of the Cultural Revolution, ranks were abolished in May 1965. After the Sino-Vietnamese War of 1979, reforms in the PLA began to be made to professionalize the armed forces once more. The 1984 Military Service Law provided for the resumption of rank, but disagreements on what ranks were to be used and who would receive them caused the revival of rank to be delayed until 1988. The following ranks and their respective insignia shown are those used by the People's Liberation Army Ground Force.
The ranks and insignia used by Russian Ground Forces are inherited from the military ranks of the Soviet Union, although the insignia and uniform has been altered slightly.
The Ranks and insignia of the Japan Self-Defense Forces are the military insignia used by the Japan Self-Defense Forces.
The military ranks of the Soviet Union were those introduced after the October Revolution of 1917. At that time the Imperial Russian Table of Ranks was abolished, as were the privileges of the pre-Soviet Russian nobility.
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.
Kapitan is used manifold as rank, grade, or rank designation in the Army, Air Force or Navy of numerous countries and armed forces. In member countries of NATO-alliance Kapitan is a commissioned officer rank, rated OF-2 in line to the NATO officers rank system. The almost equivalent OF-2 officer, e.g. in the US Army, is the Captain rank.
The Military ranks of Romania are the military insignia used by the Romanian Armed Forces.
The military ranks of the Armed Forces of Ukraine (AFU) were established on March 1992, when Ukraine adopted the Law on Military Duty and Military Service 1992.
The Military ranks of Philippines are the military insignia used by the Armed Forces of the Philippines.
Colonel general is a military rank used in some armies. The rank originates from the Old European System and it is particularly associated with Germany, where historically general officer ranks were one grade lower than in the Commonwealth and the United States, and Generaloberst was a rank above full General, but below Generalfeldmarschall. The rank of colonel general also exists in the armed forces organized along the lines of the Soviet model, where it is comparable to that of a lieutenant general.
The military ranks of Afghanistan were the military insignia used by militaries of Afghanistan throughout history.
The Czech military ranks are the military insignia used by the Army of the Czech Republic. The ranks are common for all its forces. They are displayed on the beret or a service hat, as well as on the chest of the battledress. On the display uniform, the rank insignia is worn on epaulettes and a head cover, and differs slightly in the Air Force, where it is displayed against a dark blue fabric, instead of the khaki fabric, common for the rest of the forces. For all the forces, the ranks also have the same name.
The Military ranks of Azerbaijan are the military insignia used by the Azerbaijani Armed Forces. Being a former member of Soviet Union, Azerbaijan shares a rank structure similar to that of Russia; however, the insignia used for its ranks had been increasingly being influenced by Turkey.
The military ranks of Armenia are the military insignia used by the Armed Forces of Armenia. Being a former Soviet Republic, Armenia shares a rank structure similar to that of the Soviet Union. Armenia is a landlocked country, and therefore does not possess a navy.
The Military ranks of Mozambique form the system of hierarchical relationships in the Mozambique Defence Armed Forces (FADM). There are to basic systems of ranks, one used both by the army and the air force and the other used by the navy.
Georgian Land Forces [1] 
Georgian Air Force [1] 
