Trump’s former national security adviser was pressed about mistakenly adding a journalist to an unclassified Signal chat used ...

Michael Waltz, the former national security adviser, doubled down on the Trump administration’s defense of a Signal group ...

The Pentagon's recent Blue sUAS program reforms, including transfer to DCMA and third-party testing, aim to end the procurement bottleneck.

Mike Waltz, President Donald Trump's nominee for U.S. ambassador to the United Nations, will face questioning from lawmakers ...

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

One drone failed repeatedly to find its target when jammed and ultimately crashed into a hill. Another flew past its target ...

President Trump’s former national security adviser, Mike Waltz, emerged Tuesday from a Senate confirmation hearing largely ...

Democrats will likely zero in on Mike Waltz's involvement setting up a Signal group chat to discuss plans about strikes against the Houthis during his confirmation hearing for U.N. ambassador.

Former national security adviser Mike Waltz defended his use of the messaging app Signal during a confirmation hearing Tuesday during which lawmakers largely avoided the topic.

Live updates and the latest news as former Trump national security adviser Mike Waltz testifies at his Senate confirmation ...

Mike Waltz, President Trump's former national security adviser, testified Tuesday at his Senate confirmation hearing to be U.S. ambassador to the United Nations.