John R. Allen is President of the Brookings Institution. He was previously Commander of the NATO International Security Assistance Force and U.S. Forces in Afghanistan from 2011 to 2013, and is the recipient of numerous U.S. and foreign awards.Frederick Ben Hodges holds the Pershing Chair in Strategic Studies at the Center for European Policy Analysis. He was previously Commander of the United States Army Europe from 2014 to 2017.Julian Lindley-French is a Senior Fellow at the Institute of Statecraft. He is also founder and chair of The Alphen Group, a high-level strategic 'do-tank'. His publications and high-level reports combine policy experience and academic expertise, and include A Chronology of European Security and Defence (OUP, 2008) and The Oxford Handbook of War (edited with Y Boyer, OUP, 2014).

It is a must-read for those entrusted with the weighty responsibility of making such decisions, international security specialists, and concerned citizens everywhere.

John R. Allen is President of the Brookings Institution. He was previously Commander of the NATO International Security Assistance Force and U.S. Forces in Afghanistan from 2011 to 2013, and is the recipient of numerous U.S. and foreign awards.Frederick Ben Hodges holds the Pershing Chair in Strategic Studies at the Center for European Policy Analysis. He was previously Commander of the United States Army Europe from 2014 to 2017.Julian Lindley-French is a Senior Fellow at the Institute of Statecraft. He is also founder and chair of The Alphen Group, a high-level strategic 'do-tank'. His publications and high-level reports combine policy experience and academic expertise, and include A Chronology of European Security and Defence (OUP, 2008) and The Oxford Handbook of War (edited with Y Boyer, OUP, 2014).

It is a must-read for those entrusted with the weighty responsibility of making such decisions, international security specialists, and concerned citizens everywhere.

John R. Allen is President of the Brookings Institution. He was previously Commander of the NATO International Security Assistance Force and U.S. Forces in Afghanistan from 2011 to 2013, and is the recipient of numerous U.S. and foreign awards.Frederick Ben Hodges holds the Pershing Chair in Strategic Studies at the Center for European Policy Analysis. He was previously Commander of the United States Army Europe from 2014 to 2017.Julian Lindley-French is a Senior Fellow at the Institute of Statecraft. He is also founder and chair of The Alphen Group, a high-level strategic 'do-tank'. His publications and high-level reports combine policy experience and academic expertise, and include A Chronology of European Security and Defence (OUP, 2008) and The Oxford Handbook of War (edited with Y Boyer, OUP, 2014).

It is a must-read for those entrusted with the weighty responsibility of making such decisions, international security specialists, and concerned citizens everywhere.