Sgt. Maj. Ronald L. Green, sergeant major of the Marine Corps, Gen. Robert B. Neller, commandant of the Marine Corps, Lt. Gen. Rex C. McMillian, commander of Marine Forces Reserve and Marine Forces North, and Sgt. Maj. Patrick L. Kimble, sergeant major of MARFORRES and MARFORNORTH, pose for a photo at a ribbon-cutting ceremony for the official unveiling of the Marine Corps Reserve Centennial wall display at the Pentagon, Arlington, Va., Nov. 9, 2016. The exhibit was installed at the Pentagon in conjunction with the 100th anniversary of the Marine Corps Reserve, which was celebrated Aug. 29, 2016. For more information on the history and heritage of the Marine Corps Reserve as well as current Marine stories and upcoming Centennial events, please visit www.marines.mil/usmcr100. (U.S. Marine Corps photo by Sgt. Ian Leones)