ntas

navigate by keyword : 2010 advisory board coded color current danger department elevated fear ferry government homeland hsas level marsec nantucket national nationwide notice ntas office old replaced safety security showing sign system terrorism terrorist terrorists threat usa warning yellow

Natalie Cassidy Royalty Free Stock Photo

Sign US terrorist threat level elevated yellow

Danielle Harold Royalty Free Stock Photo

Samantha Womack Royalty Free Stock Photo

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).