From left, Secretary James N. Mattis, Department of Defense, Commandant of the Marine Corps Gen. Robert B. Neller, and D’Arcy Neller walk down center walk during an evening parade at Marine Barracks Washington, Washington, D.C., June 30, 2017. Neller hosted the parade and Mattis was the guest of honor. (U.S. Marine Corps photo by Cpl. Samantha K. Braun)

- Image ID: MRT61R

From left, Secretary James N. Mattis, Department of Defense, Commandant of the Marine Corps Gen. Robert B. Neller, and D’Arcy Neller walk down center walk during an evening parade at Marine Barracks Washington, Washington, D.C., June 30, 2017. Neller hosted the parade and Mattis was the guest of honor. (U.S. Marine Corps photo by Cpl. Samantha K. Braun)

AB Forces News Collection / Alamy Stock Photo

Image ID: MRT61R

This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.