Lt. Col. David deGroot, director of the U.S. Army Heat Center at Fort Benning, Ga. See also Patrick Tucker's related recent reporting on the topic, here.

The State Department has shifted the model underpinning its internal chatbot, StateChat, from Anthropic’s Claude Sonnet 4.5 to OpenAI’s GPT-4.1, according to an internal document obtained by ...

Key refueling-related tests for the B-21 Raider are now underway, an Air Force spokesperson confirmed to Defense One, the latest milestone towards delivering the next-generation bomber by 2027. “We ...

Reuters could not determine the types of injuries and whether they include traumatic brain ​injuries, which are common after exposure to blasts.” Iranian missile and drone attacks have dropped ...

The Department of Homeland Security plans to install AI upgrades in 148 of its uncrewed camera towers on the U.S. border this year, and to add another 50 next-generation ones. On Wednesday, GDIT ...

The Senate has confirmed President Donald Trump’s pick to lead Cyber Command and the National Security Agency in a dual-hatted capacity, giving the signals intelligence and hacking titans their first ...

The Pentagon is focusing on operational objectives for success, leaving out Trump’s calls for “unconditional surrender” and an “acceptable” new leader.

Apparent Russia-linked hacking collectives backing Iran have been observed joining the cyber activity unfolding alongside the U.S.-Israel war against Iran, though analysts have mixed views on whether ...

Released Friday afternoon, the new strategy is notably shorter than those issued by Biden and the first Trump administration.

The battle between AI model builder Anthropic and the Pentagon has exposed a huge gap between what AI tools the military ...

The U.S. military is reupping its request for civilian employees to deploy to the southwest border to assist with immigration enforcement operations, with supervisors now facing a stronger push to ...

New: Iran announced a new leader over the weekend: Mojtaba Khamenei, son of the country’s former supreme leader Ayatollah Ali Khamenei. He’s 56 years old, and is thought to be “considerably more ...