Pentagon Lets DHS Test Military Heat Ray for Border Use
United States

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Source Analysis
What Happened
Key Implications
What Happened
Key Implications
Where Sources Agree
- arrows_inputPentagon Approves Heat Ray Loan: A number of outlets note that Defense Secretary Pete Hegseth authorized a seven-month temporary loan of one Active Denial System unit to the Department of Homeland Security starting in September, with DHS assuming sole operational responsibility for the device, according to a Pentagon memorandum.
- arrows_inputPentagon Authorizes Heat Ray Testing: Some outlets verify that the Pentagon has authorized the Department of Homeland Security to test the Active Denial System, a non-lethal heat ray weapon, for potential border operations, per a memorandum signed by Defense Secretary Pete Hegseth.
- arrows_inputHeat Ray Testing Authorized: Several sources align on the Pentagon's authorization of a seven-month loan of the Active Denial System to the Department of Homeland Security for testing and tactical development at the southern border, according to a memorandum signed by Defense Secretary Pete Hegseth.
Where Sources Disagree
- arrows_outputHeat Ray Safety Controversy: While proponents describe the Active Denial System as a non-lethal tool designed to minimize casualties and deter crossings through intense, reversible heat, critics argue the weapon inflicts second-degree burns and violates human rights, citing its inclusion on prohibited equipment lists and the potential for severe, indiscriminate injury.
- arrows_outputHeat Ray Deployment History: The Pentagon has authorized a temporary loan of the Active Denial System 'heat ray' to the Department of Homeland Security for border testing. However, this initiative follows historical internal resistance, as former DHS Secretary Kirstjen Nielsen rejected a proposal to deploy the crowd-control weapon against migrants in 2018.
Timeline
October 21, 2026
Capabilities and controversies noted: Reporting detailed ADS capabilities (an invisible 95 GHz beam reaching roughly half a mile that penetrates ~1/64 inch of skin and causes an intense burning or tingling sensation lasting 10–15 minutes), noted past documented burns, and recorded concerns about legality, sovereignty, safety, unspecified test locations, and DHS responsibility for use; DHS may seek continued access after the initial loan.
September 02, 2026
Pentagon approves loan to DHS: A memorandum signed by Defense Secretary Pete Hegseth authorized a temporary seven‑month loan of one ADS to DHS, beginning in September, with DHS given sole responsibility for system employment and the option to request an extension.
October 01, 2018
2018 proposal rejected: Customs and Border Protection officials weighed using the ADS against migrants in 2018, but then‑Homeland Security Secretary Kirstjen Nielsen rejected the plan amid concerns about treating immigrants and citizens like enemy combatants.
Perspectives and Debates
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Sources
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Source Analysis
Timeline
October 21, 2026
Capabilities and controversies noted: Reporting detailed ADS capabilities (an invisible 95 GHz beam reaching roughly half a mile that penetrates ~1/64 inch of skin and causes an intense burning or tingling sensation lasting 10–15 minutes), noted past documented burns, and recorded concerns about legality, sovereignty, safety, unspecified test locations, and DHS responsibility for use; DHS may seek continued access after the initial loan.
September 02, 2026
Pentagon approves loan to DHS: A memorandum signed by Defense Secretary Pete Hegseth authorized a temporary seven‑month loan of one ADS to DHS, beginning in September, with DHS given sole responsibility for system employment and the option to request an extension.
October 01, 2018
2018 proposal rejected: Customs and Border Protection officials weighed using the ADS against migrants in 2018, but then‑Homeland Security Secretary Kirstjen Nielsen rejected the plan amid concerns about treating immigrants and citizens like enemy combatants.













