Ministry of Medium Machine Building
The Ministry of Medium Machine-Building Industry of the USSR was the government ministry of the Soviet Union who supervised the Soviet nuclear industry, including production of nuclear warheads. The headquarters was located in Moscow in the building at Bolshaya Ordynka St. 24-26, currently occupied by the corporation Rosatom.History
The basis of the ministry was established since September 1942 the First Chief Directorate, the Third Chief Directorate of the Council of Ministers of the USSR and the Central Board of Industrial Building of the Ministry of Internal Affairs of the USSR charged with construction of nuclear installations.
The Ministry of Medium Machine Building was established by Decree of the Presidium of the Supreme Soviet of 26 June 1953. On September 11, 1989 the Ministry of Medium Machine Building was renamed into the Ministry of Atomic Energy and Industry of the USSR .Source: