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2012年5月22日,美国太空探索技术公司(SpaceX)在卡纳维拉尔角空军基地用一枚“猎鹰”9火箭成功将载有国际空间站补给的“龙”太空飞船送入预定轨道。虽然这次任务只是美国商业轨道运输服务计划(COTS)的一次演示飞行,但它却是自航天飞机退役后美国首次向国际空间站运送物资补给。5月25日,“龙”飞船成功与国际空间站的“和谐”舱段完成对接。5月31日,“龙”飞船坠入太平洋预定
On May 22, 2012, SpaceX successfully deployed a “Falcon” 9 rocket at the Cape Canaveral Air Force Base to ship “Dragon” spacecraft containing the ISS supply Into the scheduled track. Although the mission was just a demonstration flight of the COTS, it was the first U.S. shipment of supplies to the International Space Station since the Shuttle retired. On May 25, the “Dragon” spacecraft successfully docked with the “Harmony ” section of the International Space Station. May 31, “Dragon ” spacecraft crashed into the Pacific scheduled