The polygraph tests of Pentagon officials occurred as the defense secretary sought to stamp out unflattering leaks to the media.

Defense Secretary Pete Hegseth is facing growing opposition from Pentagon generals, including from the current chairman of ...

John Phelan and his chief of staff are taking control of the duties that would have gone to the future Navy undersecretary.

Suspicions about leaks and a mistrust of senior military officers have defined much of the defense secretary’s first six ...