The Pentagon is set to spend nearly a billion dollars for AI with four major Silicon Valley tech firms, Google, xAI, OpenAI and Anthropic.

At Trump's behest, Senate Republicans elevated a conspiracy theorist who called Obama a “terrorist leader” to a senior Defense Department position.

The announcement comes days after Grok spewed antisemitic and racist statements to its users, including praise for Adolf Hitler and “the white man.” It also referred to itself as “MechaHitler.” The debacle kick-started a wave of celebration amongst online extremists, many of whom called for the creation of more hateful AI chatbots.

The U.S. Department of Defense plans to continue investing in critical minerals projects to ensure a diverse American supply of the building blocks for weapons and many electronics, a defense official told Reuters on Tuesday.

Top officials at the Pentagon office that played a key role in designing the bombs used in the strikes against Iran's nuclear facilities more than two weeks ago cannot say whether the weapons were successful in reaching the deeply buried bunkers.

MP Materials secured investment as Donald Trump sought to counter China and take a new approach to national defence

The Army is working on new tech, drones, autonomy, better decision-making, and more to deter and prepare for conflict with China.

Mike Waltz, Trump's former national security adviser, faced questions from Democrats on the Signal chat controversy Tuesday in confirmation hearing for U.N. ambassador.