About S&T

About S&T

Technology and threats evolve rapidly in today’s ever-changing environment. The Department of Homeland Security (DHS) Science and Technology Directorate (S&T) monitors those threats and rapidly  capitalizes on technological advancements, developing solutions and bridging capability gaps at a pace that mirrors the speed of life.


S&T’s mission is to enable effective, efficient, and secure operations across all homeland security missions by applying scientific, engineering, analytic, and innovative approaches to deliver timely solutions and support departmental acquisitions. Created by Congress in 2003, S&T conducts basic and applied research, development, demonstration, testing and evaluation activities relevant to DHS. Read about the S&T's Strategic Plan and S&T's 2020 Year In Review accomplishments.

Responding to Today’s Threats with Technology

Watch how S&T is rapidly developing and deploying technologies that make an operational impact for the homeland security mission.

Perspectives from R&D Partners 

Learn how S&T is working with DHS frontline operators and first responders to help meet their mission and save lives with cutting-edge solutions.

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