By chance, when I got back home, I had an email waiting for me from Mr. Peter E. Sand, director of privacy technology at the US Department of Homeland Security in Washington.

正巧回到家我后收到了一封邮件，来自华盛顿美国国土安全局的隐私保护技术处主任皮特·e·桑德先生。

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The US Department of Homeland Security announced Friday a list of 11 airports to be equipped with full-body scanning machines to better detect possible threats.

美国国土安全部5日宣布，将在11个机场部署全身扫描仪，以加强探测潜在威胁。

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It cited statistics from the student and Exchange Visitor Program, a Department of Homeland Security unit that tracks foreigners in the US on student visas and the schools they attend.

数据援引自国土安全部中负责中学生和交流访问者项目的一个部门，这个项目跟踪外国人在美国的学生签证和学习学校的统计数据。

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Earlier, US Department of Homeland Security Secretary Michael Chertoff outlined some steps that are being taken by mass transit officials in this country.

NPR: New York, Los Angeles Step Up Security

MEPs have voted to approve a new deal on the transfer of EU air passengers' personal data to the US Department of Homeland Security.

BBC: MEPs approve air passenger data sharing agreement

Armed with a list of 500, 000 potential targets, they approached the US Department of Homeland Security who pared it down to the most important 7, 200 targets.

BBC: US government warns over vulnerable control systems