Its successor, the Ares rocket, is not due to be put into service until 2015.

而继任者“战神”火箭要等到2015年才能投入使用。

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The back-to-the-moon programme, Constellation, with its Ares rocket (pictured), was cancelled as part of Barack Obama’s budget.

重返月球的“星座项目”在奥巴马的预算中被取消，同被取消的还有“战神火箭”（如图）。

youdao

The back-to-the-moon programme, Constellation, with its Ares rocket (pictured), was cancelled as part of Barack Obama's budget.

重返月球的“星座项目”在奥巴马的预算中被取消，同被取消的还有“战神火箭”(如图)。

youdao

NASA named the new rocket system Ares, the Greek name for Mars.

VOA: special.2009.12.30

The Ares rocket system being developed to loft the shuttle's replacement into orbit has also come under fire.

BBC: Obama names US space agency chief

There is currently some uncertainty over whether the Ares 1 rocket will ever fly.

BBC: Test ignition for 'Moon rocket'

The proposed Ares I rocket and its crew carrier called Orion are both at an advanced stage.

BBC: Underfunding shackles Nasa vision