Trump defense chief Mattis: US not ready for military cooperation with Russia
By James Masters, CNN
11:33 AM EST, Thu February 16, 2017
VIRGINIA MAYO/AFP/AFP/Getty Images
U.S. Secretary of Defense Jim Mattis (L) speaks with members of his delegation prior to a meeting at NATO headquarters in Brussels on February 15, 2017.
NATO allies meet new US Defence Secretary James Mattis for the first time in Brussels seeking reassurance over President Donald Trump's commitment but bracing for military spending demands. / AFP / POOL / Virginia Mayo (Photo credit should read VIRGINIA MAYO/AFP/Getty Images)