Sign nationwide threat level elevated yellow per old Homeland Security Advisory System HSAS replaced on April 26 2011 by NTAS

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Sign showing nationwide threat level at elevated yellow under Homeland Security Advisory System (HSAS) at the ferry office in Nantucket, Massachusetts, USA on November 14, 2010. This was under the old color-coded system. On April 26, 2011 the US Government replaced the color-coded Homeland Security Advisory System with the new National Terrorism Advisory System (NTAS)

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Size: 3713px × 2664px
Location: Nantucket Massachusetts ferry office
Photo credit: © wordplanet / Alamy / Afripics
License: Royalty Free
Model Released: No

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