Some troops and Defense Department employees worry they will face politically motivated punishments for social media posts that are seen as disloyal to President Donald Trump.
Quantum computing exploits the physics of subatomic particles to perform speedier calculations than classical computers, with huge implications for technological innovation in defense and beyond.
Meetings between NATO and U.S. defense officials left allies concerned that President Donald Trump would leave Europe to ensure a lasting peace in the war-scarred country.
The White House continues to support the embattled Defense secretary — but even some Hegseth allies privately express concern that his messy management style could become his undoing.