In the December–January issue, Lawrence Freedman compares Brexit and Donald Trump’s electoral victory; François Heisbourg examines the consequences of Brexit for European defence; Nigel Inkster looks at Brexit’s potential effects on European security; Erik Jones distils key lessons from Brexit for other countries; Travis Sharp explores the effects of cyber operations on money, leadership and secrecy; Neil C. Renic argues that UAVs dehumanise military violence; Sergei Boeke and Dennis Broeders call for a legal reassessment of cyber conflict; Ariel E. Levite and Jonathan (Yoni) Shimshoni consider society-centric warfare; Michael Fitzsimmons analyses the demise of the INF Treaty and Russian strategy; Karl Gustafsson, Linus Hagström and Ulv Hanssen contend that Japanese pacifism is dead; Astrid Stuth Cevallos and Bryan Frederick delineate the pros and cons of safe areas; Kori Schake, Russell Crandall and Kathleen M. Vogel contribute review essays; Hanns W. Maull, David C. Unger and Jonathan Stevenson provide shorter reviews; and Clément Therme assesses Iranian perceptions of the Trump administration.