"The international community is working hard trying to set standards and new regulations, but space commerce is changing faster than we can keep up," he added.
"We're going to be going into an orbit almost right away that is 40,000 miles out - like a fifth of the way of the Moon," Koch told BBC News.
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白宮於週五表示，部分商品將不會受到新關稅的影響，因為它們對美國經濟至關重要，包括關鍵礦物、能源產品、美國無法生產的資源，以及部分農產品，例如牛肉、番茄和車輛等。
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