US Defense Secretary James Mattis finally announced his long-anticipated resignation to allow President Donald Trump to have a defense chief whose views are more aligned with the US president, he said in his resignation letter Thursday.

For the first time 17 years, the United Nations sees real hope for peace in Afghanistan, US defense chief said Saturday.

US President Donald Trump has reportedly “soured” on Defense Secretary James Mattis – arguably the most important moderating force in the administration – and might dismiss the Pentagon chief after the midterm elections, according to reports.

President Mohammad Ashraf Ghani met with a delegation of the U.S. Department of Defense led by the Defense Secretary James Mattis and the U.S. Joint Chiefs of Staff General Joseph Dunford.

Secretary of Defense James Mattis made a surprise visit to the Afghan capital Friday as the US attempts to secure a negotiated peace with the Taliban.

The White House is “actively” discussing possible candidates to replace James Mattis as the secretary of defense, a media report has revealed, amid intensified speculations that the Pentagon chief may step down after the disclosure of his criticism of President Donald Trump.