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□□美国航宇局（NASA）的使命有三项：一是认识和保护地球行星；二是探索宇宙，寻找生命；三是激励和鼓舞下一代航天人。在2001年年底，乔治·布什总统任命我为航宇局局长。不久，我就要求航宇局领导成员帮助我审核和确认NASA的核心力量和航天活动，并且要求每个成员竭力思考
NASA has three missions: one is to recognize and protect Earth’s planet; the other is to explore the universe and find life; and the third is to inspire and inspire the next generation of space people. At the end of 2001, President George W. Bush appointed me Secretary for Space Affairs. Soon I asked NASA leaders to help me review and validate NASA’s core and space activities and asked each member to think hard