Mr. Hegseth’s stumbles started soon after he was sworn in to lead the Pentagon on Jan. 25.

A Pentagon-wide advisory that went out one week ago warned against using Signal, the messaging app, even for unclassified ...

As the White House comes under fire for allegedly using Signal to discuss foreign policy plans, the encrypted messaging ...

There's a balance to be struck between defense software and hardware; without one, your targeting's bricked, and without the ...

Istanbul's opposition-run municipal council on Wednesday elected an interim mayor to run the city, broadcaster NTV said, ...

One official tasked with purging DEI content from military websites said the instructions are vague and subject to different ...

The Pentagon’s intelligence and law enforcement arms are investigating what it says are leaks of national security ...

The Pentagon has faced questions from lawmakers, local leaders and citizens over the removal of military heroes and historic ...

The New York Times reported Musk would receive a briefing on plans for any potential war with China. The president and ...

You wouldn’t show it to a businessman,” President Trump said in denying that Elon Musk was to be briefed on top-secret plans ...

After top national security officials mistakenly sent war plans targeting Houthi rebels in Yemen to The Atlantic's Jeffrey ...

Details of further US airstrikes that would normally be closely guarded secrets were also discussed in the chat that ...