US Secretary of Defense James Mattis (L) and Canadian Minister of Defense Harjit Sajjan shake hands prior to a meeting at the Pentagon in Washington, DC, February 6, 2017. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
US Secretary of Defense James Mattis (L) and Canadian Minister of Defense Harjit Sajjan shake hands prior to a meeting at the Pentagon in Washington, DC, February 6, 2017. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)