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Homeland Security


Staying One Step Ahead

Helium-3 (3He) is a necessary component of many nuclear detection devices; however our country is facing a Helium-3 shortage. To address this shortage, DHS’ Domestic Nuclear Detection Office (DNDO) is advancing the search for efficient, cost-effective alternative technologies.

DNDO Identifies Helium-3 Replacements for Neutron Detection

Last month, the Department of Homeland Security (DHS) Domestic Nuclear Detection Office (DNDO) completed final analysis on Helium-3 alternatives for neutron detection in radiation portal monitors, which are used to detect illicit radiological and nuclear materials.

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