According to GlobalSecurity.org, the Ottoman aviation units never came under a centralised operational (as opposed to administrative) command, and never matured into an independent arm or corps as it did in other countries. Flying detachments (Tayyare Bölüğü) and fighter squadrons (Av Bölüğü) reported individually to either an Army or Corps command., Ottoman Air Branch - 1914-1918 - The Great War in the official website of the GlobalSecurity.org.