Yusuf served as Commander of the Nigerian military contingent to
United Nations Mission in Sierra Leone (UNAMSIL) before being appointed in 2006 as Commander in Charge of the
Armed Forces of Liberia by Liberian President
Ellen Johnson Sirleaf. Upon Yusuf's appointment as Nigeria's
Chief of Army Staff by President
Umaru Yar Adua in 2007, Liberia's President awarded General Yusuf with Liberia's Honor of Distinguished Service. Yusuf has been quoted in saying he is fulfilled with his military career. ==Death==