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Content Archive

Archive of content that is from a previous administration or is otherwise outdated.

  • First Responders Group

    The Department of Homeland Security (DHS) Science and Technology Directorate's (S&T) Support to the Homeland Security Enterprise and First Responders Group (FRG) strengthens the response community's abilities to protect the homeland and respond to disasters.

  • Tunnel Vision

    Criminals of all kinds are digging tunnels along the U.S. border at a fast and furious pace. Sixty percent of all tunnels ever discovered by U.S. Border Patrol agents have been found in just the last three years. Agents spot a new one nearly every month, including an elaborate tunnel framed with wood studs, uncovered on June 10.

  • GRaDER Instrument Performance Compliance Levels

    The Graduated Radiation/Nuclear Detector Evaluation and Reporting (GRaDER) Program categorizes instrument performance by different compliance levels.

  • GRaDER Guidance Notice

    DNDO Agency Guidance on the Graduated Radiation/Nuclear Detector Evaluation and Reporting (GRaDER) Program.

  • Guidance on the GRaDER Program

    The Graduated Rad/Nuc Detector Evaluation and Reporting (GRaDER) Program evaluates commercial off-the-shelf (COTS) Rad/Nuc detection equipment against national standards adopted by the Department of Homeland Security.

  • HSARPA

    Archived - S&T Homeland Security Advanced Research Projects Agency (HSARPA) has programs and projects to ensure and improve the security of our nation.

  • Doing Business with DNDO

    The Domestic Nuclear Detection Office (DNDO) is a jointly staffed office, within the Department of Homeland Security, including detailees and liaisons from departments such as the Department of Energy, the Federal Bureau of Investigation, and the Nuclear Regulatory Commission. 

  • Homeland Security Advisory System Task Force

    Homeland Security Advisory System Task Force

  • Significant Guidance

    Find guidance documents from DHS and components that represent the Department's thinking on important topics.

  • Multi-Layered Defense

    Information about the programs and initiatives that compose the Department's multi-layered defense strategy for securing U.S. borders and ports.

Last Updated: 11/13/2021
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