High Quality Content by WIKIPEDIA articles! The Office of Defense Mobilization (ODM) was an independent agency of the United States government whose function was to plan, coordinate, direct and control all wartime mobilization activities of the federal government, including manpower, economic stabilization, and transport operations. It was established in 1950, and for three years was one of the most powerful agencies in the federal government. It merged with other agencies in 1958 to become the Office of Civil and Defense Mobilization (1958–1961).