As iReporter McCormick recounted her interview with Huff, an airport announcement could be heard asking people to stay where they were because everyone had to be interviewed before they could leave.

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From enjoying a movie on a hotel room TV to hearing an announcement in an airport security line, audio speakers are a subtle necessity for a smooth and pleasant trip.

BBC: 3D audio may revolutionise travel

World affairs correspondent Paul Wood said an official announcement about the "dangerous retreat" to the airport would not be made until after the event to reduce the risk of attacks from insurgents.

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"The president will make that announcement, and I think he recognizes the importance of Ronald Reagan Airport, and I think he will make that decision on a timely basis, " Mineta said.

CNN: Mineta: System 'safe' and 'secure'

Before Friday's announcement, it said it would consider keeping a tower open if the airport convinces the agency it is in the "national interest" to do so.

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