Rain Liivoja is a Senior Research Fellow at the Asia Pacific Centre for Military Law, Melbourne Law School, and an Affiliated Research Fellow of the Erik Castrén Institute of International Law and Human Rights, University of Helsinki. Jarna Petman is Deputy Director of the Erik Castrén Institute of International Law and Human Rights, University of Helsinki, and a Research Fellow at the Academy of Finland Centre of Excellence in the Foundations of European Law and Polity Research.