"If you're wondering whether or not this is a big deal, I can confirm that it is," said an advocate for military families.

Men and women who have taken to the air on behalf of the United States expressed bewilderment after the leak of attack plans.

The military takes extraordinary measures to keep combat operations secret, cutting off outside communications for service ...

The White House's ballooning group chat scandal offered a masterclass in what not to say when prying eyes might be watching ...

The leak of a chat among top Trump administration officials provides an unfiltered look at why the White House decided to ...

Colo., told Morning Edition that "the risk of casualties goes up tremendously" if adversaries learn of military operations.

Across Washington, the Signal leak presented a major test early in Trump's second term on the federal government's system of ...

A guide from the national intelligence director’s office says “information providing indication or warning that the U.S. or ...

The Trump administration is weakening the intelligence community’s ability to both keep Americans safe and compete with our ...

Did Defense Secretary Pete Hegseth’s messages detailing planned U.S. airstrikes in Yemen constitute a classified war plan?