如果一家航空公司想要在国内或到这个国家来开辟一条新航线，它必须证明它有相应的设备和必需的人员来经营这项服务。

If an airline wishes to start a new route within or to the country, it has to prove that it has the equipment and people necessary for operating the service.

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星期四和星期五的航班被迫改变航线以便于美国运送士兵和设备及将美国人和其它外国人转移至安全地带。

Those flights had been diverted so that the United States could land troops and equipment, and lift Americans and other foreigners to safety.

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