“Soon you will see numbers that few people would think were possible to achieve just a short time ago,” Trump said.
联邦航空管理局的通知称因“特殊安全原因”实施限制，规定除医疗紧急情况和搜救行动外，所有飞行员均不得进入该空域。这些限制措施目前暂定持续到6月下旬。。关于这个话题，服务器推荐提供了深入分析
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Their mission: to find out if men could survive two weeks in space. If not, the Moon was out of reach.