Voices on this program include:
- Gordon Adams, Foreign Policy Professor, American University's School of International Service
- US Air Force General Philip Breedlove, NATO's Supreme Allied Commander Europe
- Eliot A. Cohen, Professor of Strategic Studies, Johns Hopkins University School of International Studies
- Christine Fox, Deputy Secretary of Defense
- Michael O’Hanlon, Senior Fellow, Brookings Institution
- Todd Harrison, Senior Fellow, Center for Strategic Budgetary Assessments
- Toomas Hendrik Ilves, President of Estonia
- Arnold Punaro, Retired Major General in the United States Marine Corp
- Kori Schake, Research Fellow, The Hoover Institution
- Admiral James Stavridis, Former Supreme Allied Commander Europe