Although he was not part of Suharto's inner circle, Umar won great trust from Suharto for the assistance and support given in putting down G30S.
Meskipun ia bukan bagian dari lingkaran dalam Soeharto, Umar memenangkan kepercayaan besar dari Soeharto atas bantuan dan dukungan yang diberikan dalam menyelesaikan G30S.