Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: Dong Feng 4 (Chinese; n'ụzọ nkịtị: 'East Wind 4') ma ọ bụ DF-4 (nke a makwaara dị ka CSS-3) bụ ọkwa abụọ nke Chinese Intercontinental ballistic missile na mmanụ ọkụ (Nitric acid / Unsymmetrical dimethylhydrazine). Echere na a ga-etinye ya na ọnụọgụ ole na ole na silos dị n'okpuru ala na-amalite na 1970s na mbido 1980s. Dong Feng 4 nwere ike ịgbapụ nke 1,224.00 kN, ibu ibu nke 82000 kg, dayameta nke 2.25 m, ogologo nke 28.05 m na ntụgharị nke 2.74 m. Ogologo ogbunigwe nke Dong Feng 4, nke nwere ogbunigwe nuklia 2,190 kg nke nwere ikike 3.3 Megaton, nwere oke nke 5,500 km. Nke a na-eme ka o nwee ike ịga ebe dị anya kụọ ndị nọ n'ebe dị anya dị ka Russia, India, na ebe ndị agha America nọ n'Oké Osimiri Pacific. Igwe ọgbụgba ahụ na-eji usoro nduzi inertial, na-ebute nnukwu CEP nke mita 1,500. Ka ọ na-erule afọ 2017, a na-etinye ndị na-agba ọsọ 10-15.  Ajụjụ: Olee ụdị usoro ihe mgbawa ahụ na-eji eme ihe?
a inertial ndu usoro