《Five-star red flag fluttering in the wind》Episodes

'Dongfanghong 1' satellite development team based on the principle of folding umbrella to create a device called "observation skirt" to ensure the satellite heaven, you can see. Other research and development work on 'Dongfanghong-1' satellite is also under intense development. Development team to overcome all difficulties. On the eve of National Day 1969, China successfully held its first underground nuclear test and played a stabilizing role in the tense international environment of that time. The "Long March 1" rocket that launched "Dongfanghong-1" satellite was successfully launched by "Dongfeng-4" medium and long-range missiles as the first and second stage launch vehicle and the launch test of "Dongfeng-4" . However, on the 16th of November, "Dongfeng 4" was launched, but after a few dozen seconds of flying, the rocket failed. However, on February 11, 1970, Japan's first satellite, "Daikokucho," succeeded Launched off. This is a heavy blow to China's space people. In early March 1970, the installation of "Dongfanghong-1" satellite assembly started.