Defense Secretary James Mattis updates the media on the defeat of the Islamic State of Iraq and Syria during a joint press conference at the Pentagon in Washington, D.C., May 19, 2017. .S. Army Photo by 1st Lt. Antonia E. Pearse 2015 Department of Defense Warrior Games By Lauren Katzenberg on November 1, 2016 T&P on Facebook Looking for a great career? Or know another veteran, service member, or military spouse who is? Get started at Hirepurpose.