In early January 1961, ANC units loyal to Lumumba invaded northern Katanga to support a revolt of Baluba tribesmen against Tshombe's secessionist regime.Air Combat Information Group. On 23 January 1961, Kasa-Vubu promoted Mobutu to major-general; De Witte argues that this was a political move, "aimed to strengthen the army, the president's sole support, and Mobutu's position within the army."
