The Four Modernizations of China. Open PDF Document Details Document Type Technical Report Publication Date Feb 21, 1979 Accession Number ADA073839 Entities Organizations National Air and Space Intelligence Center Tags Communities of Interest Biomedical Ground and Sea Platforms Space Weapons Technologies DTIC Thesaurus Topics Artificial Satellites Ballistic Missiles Chemical Engineering Communication Satellites Communication Systems Electronics Industry Engineers Health Services International Trade Materials Science Medical Personnel Nuclear Bombs Nuclear Energy Nuclear Explosions Nuclear Reactors Physics Laboratories Three Dimensional