"To properly advance this critical technology to be able to support a future lunar economy, high power energy generation on Mars, and to strengthen our national security in space, it is imperative the agency move quickly," US transport secretary Sean Duffy, who was appointed temporary head of Nasa by President Donald Trump, wrote to Nasa, according to the New York Times.
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The rocket was carried by a huge machine called a crawler-transporter, travelling at a top speed of 0.82 mph (1.3 km/h) as it trundled along. Live coverage captured the slow-moving spectacle.，推荐阅读旺商聊官方下载获取更多信息
Мерц резко сменил риторику во время встречи в Китае09:25
Фото: Efrem Lukatsky / AP。Line官方版本下载对此有专业解读