Sean Orlando, one of the three leaders of the project, talks about the pilot's seat, which will be installed in the top section of the rocket.

肖恩·奥兰多，该项目的三位领导人，对飞行员的座位会谈，将在火箭的顶部安装一个。

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One of the nation's top political leaders, Senator Daniel Webster of Massachusetts, supported Henry Clay's compromise.

VOA: special.2009.04.02

In 2007,expenditures on health care totaled about one-sixth of the entire U.S.economy, and even top congressional leaders acknowledge that attempting to rein in health-care costs while at the same time expanding health-insurance coverage is a daunting task.

VOA: standard.2009.07.31

In 2004, Ebony magazine recognized him as one of the country's top leaders younger than 30.

CNN: STORY HIGHLIGHTS

One of the most disputed issues between the paramilitaries and the Colombian government was the extradition of some of their top leaders to the United States for drug trafficking charges, which halted the demobilizations.

CENTERFORSECURITYPOLICY: Scandal in Colombia �C is Chavez behind it?

Hook has proved to be one of the top centres in European rugby this season and helped inspire the Ospreys to a Heineken Cup pool victory over English Premiership leaders London Irish earlier this month.

BBC: James Hook happy to fill Wales full-back role