"The Civil War and Revolutions in Naval Affairs: Lessons for Today," (with David C. Gompert), Joint Force Quarterly, Issue 110, 3rd Quarter 2023, p. 118.
"MOVING OUT: A Comprehensive Assessment of European Military Mobility," Atlantic Council, Scowcroft Center for Strategy and Security, April 2020 (working group member and contributor).
"Defending every inch of NATO territory: Force posture options for strengthening deterrence in Europe," Issue Brief, Atlantic Council, Scowcroft Center for Strategy and Security, March 2022 (task force member).
"The Future US Role in NATO," NATO 2030: Towards A New Strategic Concept and Beyond, Paul H. Nitze School of Advanced International Studies, Johns Hopkins University, 2021; Chapter 6.
“Permanent Deterrence: Enhancements to the US Military Presence in North Central Europe,” (contributor), Atlantic Council Task Force Report, December 13, 2018.
“The Role of NATO Joint Airpower in Deterrence and Collective Defense,” in Joint Air Power following the 2016 Warsaw Summit, published by Joint Airpower Competence Center in Kalkar Germany, October, 2017, p.p. 35-73.
“JAPCC Conference Summary,” in The Role of Joint Air Power in NATO Deterrence, (NATO/Joint Airpower Competence Center/ Kalkar Germany), October 2017, pages 73-76.
“Opening the Aperture on Resilience,” (with Dan Hamilton), in Forward Resilience: Protecting Society in an Interconnected World, Daniel S. Hamilton (Editor), Center for Transatlantic Relations (SAIS), 2016, pages 75-84.
“Deterring Putin’s Russia,” in Transatlantic Relations in a Changing European Security Environment, edited by Robert Kupiecki and Andrew Michta, Center for Strategic and International Studies, 2015, pages 21-29.
“NATO Enlargement and Enhanced Partnership: The Nordic Case;” (with Andras Simonyi and Debra Cagan), Advancing U.S.-Nordic-Baltic Security Cooperation; Center for Transatlantic Relations: Johns Hopkins University; September 2014, Chapter 6.
“The Impact of Global Trends on Air and Space Power in NATO;” Air & Space Power in NATO: Future Vector Part 1; NATO Joint Air Power Competence Center: July 2014, pages 37-63.
“The New Burden Sharing Imperative;” Air & Space Power in NATO: Future Vector Part 1; NATO Joint Air Power Competence Center: July 2014, pages 139-147.
“Building a Multilateral Civilian Surge”, (with Jacqueline Carpenter), in Ives Boyer and Julian Lindley-French, Oxford Handbook on War. Oxford: Oxford University Press, February 2012.
“NATO: Surviving 9/11,” (with Richard Kugler) in A Recast Partnership? Institutional Dimensions of Transatlantic Relations edited by Simon Serfaty, (Washington DC, CSIS Press, 2008); also see Chapter 12 in Transforming NATO: An NDU Anthology.
“Towards a New Transatlantic Compact”; (with Dick Kugler); CTNSP Defense and Technology Paper No 52, NDU: August 2008; also see Chapter 14 in Transforming NATO: An NDU Anthology.
“Transatlantic Homeland Defense”; (with Steven Flanagan et.al.), CTNSP/INSS Special Report: May 2006; also see Transforming NATO: An NDU Anthology Chapter 19.
“Transformation of Political-Military Aspects of NATO – What Needs to Be Done” in Conference Proceedings for Partnership for Peace Consortium: National Defense Academy: Vienna; September 2005, p. 46.
“The Changing Context of Security Planning,” in Security Planning and Military Transformation after Iraqi Freedom, 34th IFPA-Fletcher Conference final Report, December 2003, pages 22-27.
“Dual Track Transformation for the Atlantic Alliance”; (with Richard Kugler), Defense Horizons 35: NDU Press: November 2003, also in Daniel Hamilton: Equipping NATO for the 21st Century, Johns Hopkins, pp 37-74.
“Towards Missile Defenses from the Sea”; (with George Stewart); Washington Quarterly: CSIS: Summer 2002; also see NDU’s Defense Horizons Number 14 and Contemporary Nuclear Debates edited by Alexander Lennon, page 48-64.
“The Future of Nuclear Forces in European Security”; What Future for Nuclear Forces in International Security, Thomas Marshall (ed.) CNSN Workshop Report: February 1992.
“European Security Alternatives”; in Beyond East West Confrontation: Searching for a New Security Structure in Europe: by Armand Clesse and Lothar Rühl, (Nomos Verlangsgesellschaft publishers, Baden Baden), 1990.