Matches in DBpedia 2014 for { ?s ?p The National Terrorism Advisory System (NTAS) is a two-level terrorism threat advisory scale used by the United States Department of Homeland Security since April 26, 2011. The system was announced on January 27, 2011 by Secretary of Homeland Security Janet Napolitano during a speech at George Washington University. Her official announcement followed reports of the NTAS that had surfaced the day before.. }
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- National_Terrorism_Advisory_System comment "The National Terrorism Advisory System (NTAS) is a two-level terrorism threat advisory scale used by the United States Department of Homeland Security since April 26, 2011. The system was announced on January 27, 2011 by Secretary of Homeland Security Janet Napolitano during a speech at George Washington University. Her official announcement followed reports of the NTAS that had surfaced the day before.".