The Long March 1 (长征一号) also known as the Changzheng-1 (CZ-1) is the 1st member of China’s Long March 1 (rocket family).The study of Long March 1 began in 1965. Long March 1’s second flight sent China’s first satellite Dong Fang Hong 1 to space on April 24 1970. She made only three flights until March 3 1971 when she was retired.
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