Infantry units and formations

collection of ancient Chinese military statues

elite force of soldiers who fought for the Achaemenid Empire

A tercio (, Spanish for '[a] third') was a military administrative unit of the Spanish Army during the reign of the Catholic Monarchs of Spain and Habsburg Spain in the early modern period. They were the elite military units of the Spanish monarchy and essential pieces of the powerful land forces of the Spanish Empire, sometimes also fighting along with the navy. These forces were among the most dominant in the European battlefields for more than a century and a half.

thumb|An archer of the Turkish Galleys - Azab

thumb|The Persian variant of sparabara: nine rows of archers protected by one row of shield-bearers equipped with spear.

16th century Chinese military manual by Qi Jiguang

Seimeni (plural of Seimen) designates the group of flintlock-armed infantry mercenaries charged with guarding the hospodar (ruler) and his court in 17th and 18th century Wallachia and Moldavia. They were mostly of Serb and other Balkan origin. The term is of Turkish origin: seğmen means "young armed man", it itself derives from Persian سگبان (sagbān). In modern transcriptions of Slavonic, it may also appear as simén (plural: siméni) or siimén (siiméni).

military unit

Japanese military unit

The Kaiserjäger, officially designated by the Imperial and Royal (k.u.k.) military administration as the Tiroler Jäger-Regimenter or "Tyrolean Rifle Regiments", were formed in 1895 as four normal infantry regiments within the Common Army of Austria-Hungary. Despite the name "Tirol" in its title its members were not just recruited from the crown land of Tyrol (including Vorarlberg) but also from other parts of the monarchy. The regiments were disbanded in 1918 with the end of the k.u.k. monarchy. The word Jäger (meaning "hunter" or "huntsman") is a characteristic term used for light infantry or

Korpsabteilung () was a division-size infantry formation established by the German Wehrmacht during World War II.

military unit

The Noumeroi (, masculine plural) or Noumera ([τὰ] Nούμερα, neuter plural, from the Latin numerus, "number" in the sense of "regiment") were a Byzantine infantry garrison unit for the imperial capital, Constantinople. Their main task involved the protection of the Great Palace of Constantinople and of the Noumera, one of the city's prisons.