Mattis Entrance Defense Secretary James N. Mattis walks at the World War II Memorial in Washington, May 19, 2018. Secretary Mattis greeted more than 50 World War II and Korean War veterans while visiting the Memorial. DoD Photo by Tech Sgt. Vernon Young Jr. SHARE: Download: Full Size (1.76 MB) Credit: TSgt Vernon Young Jr. VIRIN: 180520-D-ZZ999-840.JPG Photo Gallery