The Warriors of the Frontier: the Osavul Office (Aide-De-Camp) in the Military Structure of Ukrainian Cossack and Turkic Armies

The article is dedicated to the study of historical roots and process evolution institution osavul in Cossack Army government Hetmanate (Hetmanshchyna, Ukrainian State). office appeared early military structure as a result its relations with nomadic societies. comparison between cossack corresponding officer Turkic army reveals lot common functions: both could be responsible for mobilization, commanding field, camping management quartering, combat intelligence discipline. other factors that affect state functions included Crown Troops Polish-Lithuanian Commonwealth (Rzeczpospolita) system patron-client formed on frontier during sixteenth seventeenth centuries. In Hetmanate, these basic were supplemented by administrative assistance hetman, some judicial diplomatic duties.