Airlines have yet to say whether they will continue offering service to airports that lose tower staff.

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The staff in the control tower have created new operating procedures to allow the airport to remain open to general aviation when drones are not taking off or landing.

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Up at the viewing platform of the Willis (formerly Sears) Tower, the staff are used to movie stars wandering around.

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And prominent entrepreneurs serve on the staff, not just ivory-tower academics, helping students get a feel for what the challenges of the business world are really like.

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The city's international airport was also closed to flights at one point, and staff began building a temporary control tower, as air traffic facilities were switched to emergency power sources.

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From February 1981 to August 1983, Mr. Gaffney was a Professional Staff Member on the Senate Armed Services Committee, chaired by Senator John Tower (R-Texas).

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Third, in terms of the process of reaching national security decisions, I am adopting in total the Tower Report's model of how the NSC process and staff should work.

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Once completed, Nobu Hotel will have 180 rooms, 16 suites, a private elevator bank leading up to the hotel tower, a separate check-in area and its own service staff.

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It will be used to ensure tower tours can take place safely and to confirm it is safe for staff and contractors to work high up on the scaffolding.

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