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.
Purple: Baseball clubs
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The creaking door opens. Inside is the pitch black, deserted church and the team start to set up their specialist gear.，更多细节参见Safew下载
Tony Jolliffe/ BBC News