Claim: Aliyu Mohammed Gusau, the  Commander of 9 Infantry Brigade, Abeokuta in 1976-1978, was once the Minister of Defense, which de succeeded Olusola Obada, and the Chief of Army Staff which he succeeded Salihu Ibrahim.
Evidence: He was Commander of 9 Infantry Brigade, Abeokuta (April 1976 – July 1978), Adjutant General of 2 Mechanised Division (July 1978 – September 1979) and Director of Personnel Services, Army Headquarters (October 1979 – November 1979). He was most recently the Minister of Defence, and has served as National Security Adviser to three presidents; he was also the Chief of Army Staff during Ernest Shonekan and briefly Sani Abacha's regime, headed different intelligence agencies, and was commander of the Nigerian Defence Academy. Olusola Obada Salihu Ibrahim