Aguiyi-Ironsi took over the leadership of the country and thus became the first military head of state. On Monday, 17 January 1966, he appointed military governors for the four regions. Lt. Col. Odumegwu-Ojukwu was appointed Military Governor of Eastern Region. Others were: Lt.-Cols Hassan Usman Katsina (North), Francis Adekunle Fajuyi (West), and David Akpode Ejoor (Mid West). These men formed the Supreme Military Council with Brigadier B.A.O. Ogundipe, Chief of Staff, Supreme Headquarters, Lt. Col. Yakubu Gowon, Chief of Staff Army HQ, Commodore J. E. A. Wey, Head of Nigerian Navy, Lt. Col. George T. Kurubo, Head of Air Force, Col. Sittu Alao.