Signing of the Agreement on the Peaceful Uses of Outer Space

USSR. Moscow. President of the Bulgarian Academy of Sciences Angel Balevsky (center, foreground) during the signing ceremony on behalf of the government of the People's Republic of Bulgaria of the Agreement on Cooperation in the Exploration and Use of Outer Space for Peaceful Purposes with the governments of the Hungarian People's Republic, the German Democratic Republic, the Republic of Cuba, the Mongolian People's Republic, the Polish People's Republic, the Socialist Republic of Romania, the Union of Soviet Socialist Republics and the Czechoslovak Socialist Republic. Valentin Sobolev/TASS