Once the fleet is grounded, America will for a while have no means of its own to deliver men and women to any part of space.

而一旦航天飞机停飞，美国在一段时间内就没有其他途径将人带往太空。

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One proposal is for a fleet of ships that would spray seawater into the sky that would leave behind salt crystals to brighten clouds, reflecting more sunlight back into space.

一个建议是由舰队把海水喷向空中，这样会留下盐晶体来照亮云层，从而将会把更多的阳光反射回大气。

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This flight is one of the last scheduled for the space shuttle fleet.

这次“发现号”飞行是太空梭机群仅剩几次飞行中的一次。

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NASA plans to retire the shuttle fleet, bringing US manned space flight to an end, for the forseeable future.

VOA: standard.2010.04.15

Luke Sacks, a spokesman for the Intrepid Sea, Air and Space Museum, said the schedule for Fleet Week would be announced soon and declined to offer specifics of the plans.

WSJ: Fleet Week Funds Dry Up