Isaacman also highlighted a push to rebuild NASA's workforce, shifting some key roles from contractors — who today make up about 75 percent of the agency's technical labor — back to in-house expertise. NASA leaders say that will give them more control over launch preparations, as it did in the Apollo and space shuttle eras.
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63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54，推荐阅读同城约会获取更多信息
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