Tuesday was the first time Waltz faced lawmakers since mistakenly adding a journalist to a private Signal chat used to ...

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

Trump delayed “very severe” sanctions on Russia for 50 days, sparking criticism from Ukrainians and European leaders who see ...

The event began with live-fire exercises, including Australia’s first use of U.S.-supplied HIMARS rocket systems.

David Slater, who worked as a civilian Air Force employee, admitted to conspiring to transmit classified Russia-Ukraine war ...

The Pentagon abruptly pulled several of its top officials from speaking this week at the Aspen Security Forum in Colorado, saying Monday the forum’s organizers do not share values with the Defense ...

House Armed Services Committee members this week will hold their annual marathon markup for the defense authorization bill, a ...