Tectonic shifts are happening in European security. With intense uncertainty over the role. of the US as a guarantor of the continent’s security, Russia’s war in Ukraine now in its fourth year, and the exclusion of all other countries from US-Russia talks about ending that war, defence has shot to the top of governments’ agendas across the continent. This edition of IIEA Insights will discuss aspects of current and future defence policy in Ireland, other European countries, and the EU with Mark Mellett, Neils Pultz, and Jakub Janda.