The Department of Homeland Security (DHS) Office of Inspector General (OIG) serves as an independent body to deter, identify and address fraud, …
常见问题解答
问:
- What happened to the color-coded advisory system?
答:
– In 2011, the Department of Homeland Security (DHS) replaced the color-coded alerts of the Homeland Security Advisory System (HSAS) with the National Terrorism...
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