Groundbreaking Ceremony Army Chief of Staff Gen. Mark Milley, fourth from right, and members of the official party break ground for the National World War I Memorial at Pershing Park, Washington, D.C., Nov. 9, 2017. Construction of the memorial is expected to be completed in a year. DoD photo by EJ Hersom SHARE: Download: Full Size (0.29 MB) Credit: EJ Hersom VIRIN: 171109-D-DB155-006C.JPG Photo Gallery