The Pentagon under Defense Secretary Pete Hegseth is facing mounting upheaval after Doug Beck, head of the Defense Innovation Unit and the last high-profile Biden holdover, abruptly resigned without explanation. Beck’s departure severs a key link to Silicon Valley and follows a wave of senior exits, including multiple top generals ousted or retiring early. Hegseth, a former Fox News host whose tenure has been marred by scandals and culture-war battles, now faces intensifying scrutiny as critics warn his leadership is destabilizing the nation’s defense establishment.

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Pentagon turmoil grows as top tech chief quits under Hegseth’s rocky leadership roar-assets-auto.rbl.ms