Three more flights were made in Mercury spacecraft.

后来，“水星”号航天器又进行了三次飞行。

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Parachuteslowered the Mercury spacecraft to the ocean surface.

降落伞将“水星”号航天器降落到海面。

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Parachutes lowered the Mercury spacecraft to the ocean surface.

降落伞将“水星”号航天器降落到海面。

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A month later, on the morning of May fifth, American Navy pilot Alan Shepard crawled into his little Mercury spacecraft.

VOA: special.2009.06.17

All of the systems on the Mercury spacecraft sent radio signals to flight controllers.

VOA: special.2009.06.17

The Mercury spacecraft had the needed atmospheric pressure to keep the astronauts safe.

VOA: special.2011.04.06

It was a delta-v opposite to the direction of travel and that slowed Messenger enough so the relatively weak gravity of Mercury could capture the spacecraft and put it into an elliptical orbit around the planet rather than the Sun.

BBC: Juno Jupiter probe gets British boost

Mariner 10, the last spacecraft to visit Mercury, imaged only about 40 percent of the planet, he said.

NPR: NASA Probe Glimpses Unseen Side of Mercury

In addition, Messenger will use this lap around Mercury to help put the spacecraft on a trajectory to help it return to orbit around the planet permanently by 2011.

NPR: New Images May Shed Light on Mercury's Mysteries