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本站 3 月 21 日消息，据新华社报道，神舟十九号航天员乘组**完成第三次出舱活动，蔡旭哲成为目前在舱外执行任务次数最多的中国航天员。
我国第二代“飞天”舱外服已**保障空间站任务以来 19 次出舱活动，使用年限次数超出“3 年 15 次”寿命设计指标，首批在轨舱外服正延寿使用、性能稳定。
截至目前，神舟十九号航天员乘组“太空出差之旅”已近 5 个月，按计划将于 1 个多月后返回地球家园。
据本站了解，2024 年 12 月 17 日神舟十九号航天员乘组**完成了其首次出舱活动，宋令东成为我国首名进行出舱活动的“90 后”航天员。
2025 年 1 月 21 日，神舟十九号航天员乘组**完成第二次出舱活动，之后乘组先后开展了交会对接在轨训练及全系统压力应急演练，稳步推进空间生命科学与人体研究、微重力物理和空间新技术等领域实（试）验任务。
