Gen. Joseph Dunford, 36th Commandant of the Marine Corps, speaks on the future of the Marine Corps to recent graduates of Corporal's Course at Marine Corps Air Station Yuma, Ariz., Monday, Feb. 9, 2015. The stop at Corporal's Course served as an opportunity to address the young Marines during Dunford's first visit to MCAS Yuma since being appointed commandant in June 2014.