 Museveni, who had formed a rival political party, the Uganda Patriotic Front, disputed the result and started a guerrilla war against the government.As Army Chief of Staff, Oyite Ojok was responsible for attempting to defeat the guerrilla armies of Museveni's National Resistance Movement (NRA) and Andrew Kayiira's Uganda Freedom Movement (UFM) which were fighting to overthrow Obote's government.With his military experience during the struggle to overthrow Idi Amin, Oyite Ojok proved very effective against these groups.