Chief of Naval Operations (CNO) Adm. Jonathan Greenert speaks with students at the Australian National University, School of International, Political, and Strategic Studies about the Navy's presence mandate and partnership with the Royal Australian Navy. Earlier Greenert visited the Russell Offices where he met with senior government and military leadership to discuss mutual national security interests and expanding partnership opportunities. (U.S. Navy photo by Chief Mass Communication Specialist Peter D. Lawlor/Released)