ownership of means of production and planned system of the national economy. Central !zed management of S&T development as wei I as of the national economy as a whole makes It possible to carry out their planned development, determine the long-ter• possibilities of S&T progress, and li~ economic and social consequences. PRINCIPLES OF SINGLE S&T POLICY The principles of single S&T pol Icy have been formulated by V.I. Lenin. Its essence consists In ensuring al 1-round acceleration of S&T progress by alI branches of the national economy, and by all organs of management. In his speech delivered In February 1984 Comrade K.U. Chernenko underl lned: "As far as the major directions of development of our economy are concerned they are clearly defined by the party. Intensification, accelerated Introduction of S&T achievements, real lzatlon of large complex programmes -alI this In the end should raise the productive forces of our society to a qualitatively new level". The realization of single S&T development of fundamental and appl led Introduction of S&T achievements, conditions for a continuous growth Presented by A.l. Chubarenko pol Icy means accelerated scientific research, wide creation of favourable of social production 0 I.Q co C'l efficiency, Its Intensification. The planning system Is a means of justification and real lzatJon of single S&T pol Icy ensuring the development of the country's economy and acceleration of S&T progress. That Is why the real lzatlon of single S&T pol Icy Is carrIed out through a system of state ,p fans. Here It Is necessary to single out two aspects: 1) planning of the development of R&D activities In order to create a scientific stock; 2) planning of S&T progress via. Indices of all the sections of the state plan of economic and social development of the country which .determine the Increase 