General Joseph F. Dunford, Jr., speaks to the attendees of the change of command ceremony Oct. 17, 2014 at Marine Corps Barracks Washington, D.C. After more than 44 years of military service, Gen. James F. Amos, the 35th Commandant of the Marine Corps passed the duties as senior-ranking officer of the Marine Corps to Dunford, who has now become the 36th Commandant of the Marine Corps.