Pentagon Lets DHS Test a Military Heat Ray for the Border

Pentagon grants DHS permission to test heat ray weapon for use at border

Defense Secretary Pete Hegseth signed a memo granting Homeland Security a seven-month loan of one Active Denial System, the nonlethal weapon that fires an invisible electromagnetic beam over half a mile and produces a burning sensation that forces people to flee. The memo bars Pentagon personnel from operating it and leaves tactics to DHS. Past attempts stalled over legality, effectiveness, and the risk of drowning or harming migrants.

The issue was treating immigrants and citizens like enemy combatants. Thematically, inhumane treatments typically get rejected.

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2026-10-23