"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 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.
“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.
“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.
“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.
“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.