Threat Level Changes
The HSAS threat level has changed 17 times as of September 2009. In August 2004, DHS began identifying specific sectors under possible threat, including aviation, financial services, and mass transit.
Read more about this topic: Homeland Security Advisory System
Famous quotes containing the words threat and/or level:
“An ill-trained doctor is a threat to life, an ill-trained priest a threat to faith.”
—Punjabi proverb, trans. by Gurinder Singh Mann.
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