Growing up in Miami, John Karas remembers looking out his window hoping to catch a glimpse of astronaut Alan Shepard's capsule streaking across the sky on its return from the first U.S. manned spaceflight. The excitement of the Gemini and Apollo programs had a profound effect on the young Karas. "It literally set the mold of what I wanted to do with my career," he said. Karas, who has spent most of his career designing rockets and propulsion systems, now is in charge of the Lockheed Martin unit established to help NASA implement U.S. President George W. Bush's vision of sending astronauts to the moon, Mars and beyond.
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机译：约翰·卡拉斯（John Karas）在迈阿密长大，他记得看着窗外，希望瞥见宇航员艾伦·谢泼德（Alan Shepard）的太空舱从美国首次载人飞返时在天空中裸奔。双子座和阿波罗计划的激动对年轻的卡拉斯产生了深远的影响。他说：“这确实为我的职业生涯树立了榜样。”卡拉斯（Karas）在其职业生涯的大部分时间里都在设计火箭和推进系统，现在负责洛克希德·马丁（Lockheed Martin）部门的成立，该部门旨在帮助NASA实施美国总统乔治·W·布什（George W.
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