|9th Chief of the General Staff|
11 October 1957 – 22 August May 1958
|Preceded by||Hakkı Tunaboylu|
|Succeeded by||Rüştü Erdelhun|
Istanbul, Ottoman Empire
|Died||23 July 1983 89) (aged|
|Branch/service||Turkish Armed Forces|
|Years of service||1914–1959 (46 years)|
|Battles/wars||World War I|
Turkish War of Independence
Mengüç left his position in Ottoman Army and joined the war effort for the independence of Turkey on 31 July 1921.
After graduating from the Army War College in 1925, he served in various commands till 1939.
In 1939, Brigadier General, Major-General in 1941, Lieutenant General in 1947 and was promoted to the rank of General in 1953. While in this rank he was appointed as the head of the Military Supreme Court.
He served as acting Chief of General Staff between 11 October 1957 and 22 August May 1958.