Defense Secretary Pete Hegseth’s chief of staff, Joe Kasper, sent a memo Friday saying that members of the Department of ...

The Department of Defense plans to use polygraph tests to aid in investigating “recent unauthorized disclosures of national ...

The Pentagon is investigating leaks of national security information, including using polygraph tests, one day after media ...

Hegseth has a disdain for international norms, for senior military and civilian leadership and for anything that is not ...

President Donald Trump and Defense Secretary Pete Hegseth are scheduled to deliver remarks Friday morning from the Oval ...

Defense Secretary Pete Hegseth has directed a sweeping review of military standards across all branches, aiming to reinforce ...

The office is often referred to as the Pentagon’s internal think tank and strategizes for possible future conflicts ...

John Ullyot, who served in communications roles throughout President Trump’s first term, had faced criticism for his ...

The Pentagon said it will cut between 5% to 8% of a workforce that includes thousands of veterans -- through firings, ...

The Department of Defense is disestablishing the Office of Net Assessment, or ONA, under the orders of Pete Hegseth, ...

A U.S. official had told ABC News that Musk was expected to attend a meeting with the Joint Chiefs of Staff that, among its ...

President Donald Trump said Elon Musk’s Friday meeting at the Pentagon was about DOGE — not China — as administration ...