Defense news

• New science on heat is changing the future of soldiering

  09-03-2026 23:52 via defenseone.com
  Wearable biometrics, improved science, and more data are changing U.S. Army attitudes toward human performance—particularly how soldiers adapt to the risks of overheating. The U.S. military has been studying the effects of heat on troops for almost a century, dating to the 1927 establishment of the Harvard Fatigue Laboratory at the military's request. Still, soldiers’ and commanders’ approach to core physical tasks—think timed runs, strenuous outdoor activity, or env
  
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• Anthropic sues DOD, Hegseth, and a dozen other federal agencies

  09-03-2026 22:14 via defenseone.com
  Anthropic is suing more than a dozen federal agencies and government leaders such as iDefense Secretary Pete Hegseth, claiming that the federal government's blacklist is illegal retaliation.In a March 9 court filing with the U.S. District Court in the Northern District of California, Anthropic claims that defendants named in the lawsuit are illegally punishing Anthropic for its decision not to change the terms of use for its AI product to work with the Department of Defe
  
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• Hegseth presses Defense civilians to deploy for immigration enforcement

  09-03-2026 22:01 via defenseone.com
  The Defense Department is reupping its search for civilian employees to deploy to the southwest border to participate in immigration-enforcement operations—and asking supervisors to solicit volunteers. The Pentagon first asked its civilian workers to consider volunteering for assignments to the Homeland Security Department last year. On Monday, Defense Secretary Pete Hegseth upped the pressure.“I expect every supervisor to encourage their civilian employees to voluntee
  
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• Take the win. Stop the war.

  09-03-2026 21:32 via defenseone.com
  The end of a dictator like Ayatollah Ali Khamenei is a good thing and freedom for Iranians is an admirable goal. But as U.S. regime wars in the Middle East since 9/11 have shown, removing leaders is one thing, while strategic successes are quite another. The longer the strikes continue, the greater the chances that more U.S. troops will die and the United States will be dragged into a bigger war. The Trump administration has offered handfuls of reasons for
  
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• The D Brief: US toll rises to 8; Iran’s new leader; Building military-specific AI; Counting the rationales for war; And a bit more.

  09-03-2026 16:25 via defenseone.com
  US-Israeli war on Iran, day 10: Eight American troops have died in the Middle East since the war on Iran began more than a week ago. U.S. and Israeli air and naval strikes continue in Iran and Lebanon; Iranian drone attacks continue in response. U.S. military officials on Sunday announced the seventh soldier to perish from the war’s initial attack and retaliation waves last weekend. “The service member was seriously wounded at the scene of an attack on U.S. troops in the Ki
  
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• Unmanned in the air and at sea at World Defense Show 2026

  09-03-2026 06:00 via breakingdefense.com
  Middle East Bureau Chief Agnes Helou gets up close and personal with some American unmanned platforms in Saudi Arabia.
  
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