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.

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.

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

Anthony Tata brings a Bronze Star in one hand and a social media rap sheet in the other, stepping into the Pentagon like a man who’s equally ready to brief Congress or torch it on cable news.

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

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

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.

Google, Anthropic, OpenAI and Elon Musk's xAI — will help the DOD develop AI workflows for key national security missions.