19 May 2021
On 19 May at 12:03 h BJT, a Long March-4B rocket, carrying the ocean-monitoring satellite Haiyang-2D (HY-2D) satellite, launched from the Jiuquan Satellite Launch Centre into space. The HY-2D will form a constellation with the HY-2B and HY-2C satellites to build an all-weather and round-the-clock dynamic ocean environment monitoring system of high frequency and medium and large scale.
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