Skip navigation
Gregory Miller

Gregory Miller

Adjunct Professor


Dr. Gregory D. Miller is Dean of Space Education for the United States Space Force, Professor of Military and Security Studies at Air University, and Adjunct Professor at SAIS-Johns Hopkins University, in Washington, D.C.  Previously, he served as Director of the Schriever Space Scholars program and Chair of the Department of Spacepower at the Air Command and Staff College (ACSC), in Montgomery, AL. At ACSC, he taught core courses in Leadership, War Theory, and International Security, as well as electives on The History of Modern Terrorism, Science Fiction and Strategy, and Arctic Strategy. 
Dr. Miller received his B.A. in Political Science and History from the University of California, Los Angeles (1996), an M.A. in Security Policy Studies from the Elliott School of International Affairs at George Washington University (1998), where his studies focused on Defense Policy, Terrorism, and Space Policy, and an M.A. (2000) and Ph.D. (2004) in Political Science from The Ohio State University where his primary field of study was International Security with a minor in Military History.

His research interests cover a broad range of topics in the areas of international relations theory and international security (especially reputation, deterrence, and military alliances), terrorism and political violence, strategy formulation and evaluation, and the application of international relations and political violence concepts to spacepower theory.  In 2012, Cornell University Press published his book, The Shadow of the Past: Reputation and Military Alliances before the First World War, as part of its Studies in Security Affairs series.  Hist latest book, Sun Tzu in Space: What International Relations, History, and Science Fiction Teach us about our Future, was released by Naval Institute Press in March 2023.  His writings appear in more than a dozen journals, including recent space-related articles in Astropolitics, Space Policy, The Space Review, and Air and Space Power Journal, for which he earned the General Ira C. Eaker Award for Best Feature Article of 2019.
Dr. Miller has been teaching in professional military education for over ten years after nearly a decade of teaching in civilian institutions.  Prior to joining ACSC in January 2019, he was Chair of the Strategy Department at the Joint Advanced Warfighting School, in Norfolk, VA.  During that time, he earned both the Commandant’s Award for Civilian Service and the Joint Civilian Service Commendation Award.  Before joining professional military education, he held faculty positions at the College of William & Mary, the University of Oklahoma, and Oklahoma State University. 

He was Founding Director of the Summer Workshop on Teaching about Terrorism (SWOTT), which ran from 2005 to 2008 and more recently developed the Summer Workshop on Teaching Space (SWOTS) for the first time in July 2021 and again in summer 2022.  He was also an Associate Editor for the journal, Perspectives on Terrorism, from 2017 to 2021.  He can be found on Twitter at @theStrategyProf.


  • Sun Tzu in Space: What International Relations, History, and Science Fiction Tell Us about Our Future, Naval Institute Press, 2023.

  • The Shadow of the Past: Reputation and Military Alliances before the First World War. Ithaca, NY: Cornell University Press (Cornell Studies in Security Affairs), 2012.


  • “Deterrence by Debris: The Downside of Cleaning up Space,” Space Policy 58 (November 2021).

  • “Preventing War with a Warfighting Domain: Nuclear Deterrence Lessons for Space,” Astropolitics (online October 2021).

  • “Evaluating Strategies: Six Criteria for National Security Professionals,” Joint Force Quarterly 98 (3rd Quarter 2020), 28-37.

  • “The Eagle, the Bear, and the (Other) Dragon: U.S.-Russian Relations in the SpaceX Era,” The Space Review, 15 June 2020,.

  • “Space Pirates, Geosynchronous Guerrillas, and Nonterrestrial Terrorists: Non-State Threats in Space” Air & Space Power Journal 33, no. 3 (Fall 2019): 33-51, (General Ira C. Eaker Award for Best Feature Article of 2019, Air & Space Power Journal).

  • “The Mayaguez Incident: A Model Case Study for PME,” Joint Force Quarterly 94 (3rd Quarter 2019): 36-43.

  • “The Time for Honor: A National Security Strategy for 2020,” The Strategy Bridge (26 August 2019).

  • “Blurred Lines: The New ‘Domestic’ Terrorism,” Perspectives on Terrorism 13, no. 3 (June 2019): 66-78.

  • “Seeing Political Violence through Different Lenses,” Perspectives on Terrorism 13, no. 2 (April 2019), 75-78.

  • “Science Fiction Short Stories and the Strategist,” The Strategy Bridge (18 March 2019).

  • “A Dialogue on Strategy: On Strategy as Ends, Ways, and Means” (with Chris Rogers) Parameters 47, no. 1 (Spring 2017): 125-126.

  • “On Winning Hearts and Minds: Key Conditions for Population-Centric COIN,” Small Wars Journal (8 February 2016).

  • “Terrorist Decision Making and the Deterrence Problem,” Studies in Conflict and Terrorism 36, no. 2 (February 2013): 132-151.

  • “The Security Costs of Energy Independence,” The Washington Quarterly 33, no. 2 (April 2010): 107-119.

  • “Teaching about Terrorism: Lessons Learned at SWOTT,” PS: Political Science and Politics 42 (October 2009): 773-779.

  • “Confronting Terrorisms: Group Motivation and Successful State Policies,” Terrorism and Political Violence 19, no. 3 (Fall 2007): 331-350.

  • “Hypotheses on Reputation: Alliance Choices and the Shadow of the Past,” Security Studies 12, no. 3 (Spring 2003): 40-78.

Book Chapter

  • “Teaching about Terrorism: Methodology and Ethics,” 516-529 in Erica Chenoweth, Richard English, Andreas Gofas, and Stathis Kalyvas, eds., The Oxford Handbook of Terrorism (Oxford University Press, 2019).



  • Space
  • Strategy
  • Deterrence
  • Terrorism
  • Military Alliances
  • Reputation