Marines from the National Capitol Region salute during the playing of the National Anthem, July 21, 2015, at Nationals Park in Washington. The Washington Nationals hosted a Marine Corps Day to honor Marines who serve and who have served in the past. The event featured Lt. Gen. Ronald L. Bailey, deputy commandant, Plans, Policies and Operations, Headquarters Marine Corps, and Sgt. Maj. Ronald L. Green, the 18th Sergeant Major of the Marine Corps. - Marines from the National Capitol Region salute during the playing of the National Anthem, July 21, 2015, at Nationals Park in Washington. The Washington Nationals hosted a Marine Corps Day to honor Marines who serve and who have served in the past. The event featured Lt. Gen. Ronald L. Bailey, deputy commandant, Plans, Policies and Operations, Headquarters Marine Corps, and Sgt. Maj. Ronald L. Green, the 18th Sergeant Major of the Marine Corps.