Trump Fires Top US General CQ Brown in Major Pentagon Shake-Up

US President Donald Trump has fired Force General CQ Brown, chairman of the US Joint Chiefs of Staff, as part of a major Pentagon shake-up. The move is seen as one of the most significant changes to top military leadership in recent history. No reason was given for the firing, but it comes amidst a broader purge of senior officials at the Department of Defense. Trump's decision marks another significant shift in his approach to national security policy.