现在，联盟号是唯一可以提供个人太空旅行的宇宙飞船。

For now, Soyuz are the only commercially available human spacecraft currently in operation.

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合同变更说明，国际空间站工作人员将在2013年乘坐4艘“联盟号”宇宙飞船升空，并且分别在2013年和2014年乘坐两艘飞船返回地面。

In this contract modification, space station crew members will launch on four Soyuz vehicles in 2013 and return on two vehicles in 2013 and two in 2014.

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联盟号宇宙飞船出现在图片的左下方。

The Soyuz spacecraft appears at the bottom left.

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