Defense Discussion Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, speaks with Air Chief Marshal Mark D. Binskin, chief of the Australian Defense Force upon their arrival at the Admiralty House in Sydney, Feb. 5, 2018. DoD photo by Navy Petty Officer 1st Class Dominique A. Pineiro SHARE: Download: Full Size (0.45 MB) Credit: Dominique A. Pineiro VIRIN: 180205-D-PB383-005D.JPG Photo Gallery