Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, speaks with Singaporean President Tony Tan after receiving Singapore's Military Distinguished Service Order medal in Newton, Singapore, June 2, 2017. Dunford is in Singapore to attend the Shangri-La Dialogue, an Asia-focused defense summit, where he will meet with regional allies and counterparts to discuss common security issues. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro