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Improvised Explosive Device (IED)

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Explosives Threat Assessment

Being at the forefront of explosive detection and mitigation research and development helps us create new approaches to help protect American citizens and infrastructure.

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S&T HEIDM Program Fact Sheet

One of the Department of Homeland Security’s top priorities is the development and improvement of homemade explosives detection technologies. The DHS Science and Technology Directorate assists the Transportation Security Administration in determining the smallest amounts of homemade explosives materials that screening technologies can possibly detect.

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S&T Detection Canine Program Person-Borne IED Initiative Fact Sheet and Video

The Department of Homeland Security, Science and Technology Directorate (S&T) recognizes that a dog's sense of smell is a million times more sensitive than a human’s. Canines can be trained to detect a wide variety of specific odors, such as explosives, humans, drugs, and even fruits and vegetables. Dogs are trained to alert to the presence of these odors with a learned response such as sitting or lying quietly.

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HEIDM Program

Examining the chemical and physical properties of homemade explosives to support the development of new screening technologies.