Home Top Stories Defense Secretary James Mattis to retire Defense Secretary James Mattis to retire 12/21/2018 340 Trump says Defense Secretary James Mattis will be retiring at the end of February and a replacement will be named shortly. RELATED ARTICLESMORE FROM AUTHOR Lucido: Owner of Clinton Twp. business destroyed in blast was trying to leave US Blinken Meets With Xi as U.S. Pressures China to End Support for Russia | WSJ News This Morning’s Top Headlines – April 26 | Morning News NOW