From what little I know about the Kenyan military, it is dominated by Kalenjin, Maasai, and other "minority" officers, a holdover from the Moi regime --- that is, those who are primarily in opposition to the Kibaki government. There were occasional rumors during Kibaki's tenure that Kalenjin officers would launch a coup against Kibaki, but this never occurred and thusfar the Army has remained firmly on the side of the government.