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马斯克旗下SpaceX载人龙飞船于北京时间3月19日凌晨在佛罗里达州海域完成降落，成功将两位滞留太空长达286天的美国宇航员接回地球。此次返航不仅标志着NASA首次启用商业航天器执行紧急救援任务，也意外成就了美国载人航天史上单次任务时长第二的纪录。
执行此次返航任务的Crew-8龙飞船于3月14日从肯尼迪航天中心升空，搭载着四名轮换宇航员前往国际空间站。48小时后飞船完成对接，为原计划仅执行8天试飞任务的波音"星际客机"乘组——巴里·威尔莫尔和苏尼塔·威廉姆斯提供了撤离载具。这两位资深宇航员去年6月搭乘波音新型飞船执行关键技术验证任务时，因推进系统反复出现氦气泄漏与阀门故障，导致返航窗口连续错过五次。
值得关注的是，NASA此次打破常规选择SpaceX而非波音自家技术团队来处理危机。据航天专家分析，龙飞船成熟的可重复使用特性使其具备快速响应能力，而星际客机的技术缺陷尚未完全排查。在长达九个月的滞留期间，两位宇航员除参与空间站日常维护外，还意外完成了三项额外科学实验，包括长期失重环境下人体血管变化的观测研究。
轨道撤离过程显示，龙飞船于美东时间18日凌晨1时20分解除对接，经过16小时自主飞行后，四具主降落伞在墨西哥湾上空12000米高度顺利展开。NASA直播画面显示，飞船最终以15°倾角姿态平稳落海，比预定时间提前8分钟完成此次跨公司救援任务。目前两位宇航员已由回收团队接回陆地，将接受为期两周的失重适应康复。
