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  1. Science and Technology
  2. About S&T

About S&T

The Science and Technology Directorate (S&T) was established within the Department of Homeland Security (DHS) in 2003 as the science advisor to the Secretary and the research and development arm for DHS. S&T provides sound, evidence-based scientific and technical expertise to inform policies and directly address a broad spectrum of current and emerging threats. 

We do the science that strengthens the nation’s overall security and deliver the technologies that allow those on the front lines to effectively and safely complete their missions.


Contribute critical thinking and scientific rigor to deliver effective solutions in homeland security in areas of high impact and value for the nation.


A Safer America through advances in Research, Development, and Innovation.

Securing Our Homeland with Science and Technology Infographic
Check out our Infographic to learn how S&T is securing the homeland! 

Watch the 2022 S&T Overview

Last Updated: 03/15/2024
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