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Secure Border

Last Updated: February 4, 2021 | Press Releases

Feature Article: Air Domain Awareness at the Northern Border

The capability to detect, track, and identify aerial-based threats is more commonly known as air domain awareness.

Last Updated: May 17, 2018 | Site Page

Welcome to the S&T Impact Series

This web and video series delves into the core homeland security mission areas and highlights how the Science and Technology Directorate (S&T) is helping agents, officers, first responders and decision makers with some of their toughest challenges.

Last Updated: July 20, 2011 | Site Page

Securing and Managing Our Borders

Protecting the nation's borders—land, air, and sea—from the illegal entry of people, weapons, drugs, and contraband is vital to our homeland security, as well as economic prosperity. Over the past several years, DHS has deployed unprecedented levels of personnel, technology, and resources to the Southwest border.