\Joint Staff leaders Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, speaks with Marine Corps Maj. Gen. Michael S. Groen, director for Intelligence, Joint Staff, Navy Rear Adm. Frank. M. Bradley, director, Transregional Threat Coordination Cell, J5, Joint Staff, and Army Col. Abigail Linnington, director, Chairman's Action Group, as they walk past the Sydney Opera House before their arrival at the Admirality House in Sydney, Australia, Feb. 5, 2018. (DOD photo by Navy Petty Office 1st Class Dominique A. Pineiro/Released) SHARE: Download: Full Size (0.43 MB) Tags: Marines, usmc, Chairman, Australia, joint staff, General Dunford, Joseph F. Dunford, 19th CJCS, MinDef, Joseph F. Dunford Jr., Pacific, Minister, Air Force, Joe Dunford, Army, Navy, Marine Corps, Indo-Pacific Credit: Dominique A. Pineiro VIRIN: 180205-D-PB383-003.JPG Photo Gallery