Dunford Attends 240th Marine Corps Birthday Celebration Marine Corps Gen. Joseph F. Dunford Jr., chairman of the Joint Chiefs of Staff, speaks with the oldest and youngest Marines present at the 240th Marine Corps birthday celebration in Washington, D.C., Nov. 21, 2015. DoD photo by Petty Officer 2nd Class Dominique A. Pineiro SHARE: Download: Full Size (0.37 MB) Tags: Marines, Chairman, joint staff, Marine Corps birthday, Photo Essays, 19th CJCS, D.C., Joseph F. Dunford Jr., Marine Barracks, All images Credit: Petty Officer 2nd Class Dominique Pineiro VIRIN: 151121-D-HG842-002.JPG Photo Gallery