这次是太空穿梭机第23次夜间着陆，对上一次夜间着陆是在2008年，也是“奋进号” 穿梭机。
It marked the 23rd landing for a space shuttle in darkness. The last one was in 2008, by Endeavour as well.
让空间站持续工作到2028年的进一步行动正在筹备中；由于太空穿梭机将要退役，接送人员的任务将会留给俄罗斯的Soyuz太空舱。
Further moves are afoot to keep the station flying until 2028; with the space shuttle about to retire, it will be left to the Russian Soyuz capsule to ferry people back and forth.
NASA 计划利用阿波罗计划和太空穿梭机中的部分（不清楚这部分是指的技术还是其他的）再造一艘太空船来执行任务， 阿波罗计划曾于1969年第一次把人类送上了太空。
NASA wants to make a new spaceship for the missions using parts from the Apollo program, which first took people to the moon in 1969, and space shuttle.
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