Ts port authority, Dubai ports World, may not have been allowed to run any US ports, but it is running, building or expanding more than 50 others across the globe.

迪拜港务局——“迪拜港口世界”公司，可能还没有获准经营美国任何一个港口，不过它已经经营、开辟和扩展了全球50多处港口。

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Dubai is increasingly the hub for companies investing across Africa, and home to domestic powerhouses like Dubai Ports World, which is operating ports from Djibouti to Senegal, and Emirates Airlines, the only airline capable of flying non-stop from Dubai to every major city in the world.

CNN: Is Dubai the center of the world (again)?

In a debate reminiscent of concerns raised over Dubai Ports World taking control of key US ports, some airlines and unions say that giving foreigners more of a say in the running of US airlines could be a threat to national security.

BBC: NEWS | Business | 'Open skies' deal faces delay

The House Appropriations Committee has attached an amendment to a Pentagon spending bill that would stop Dubai Ports World from operating the terminals at six American ports.

NPR: Political Wrap: DeLay Primary, Domestic Wiretapping