The security landscape across Europe has undoubtedly changed over the past decade and it continues to evolve at a rapid pace. In a globalised world, the effects of conflict and instability are rarely confined within state borders and international cooperation is increasingly required if countries are to ensure their national security objectives are met. From the current migration crisis to hybrid warfare in East Europe, EU Member States find themselves having to respond to a range of threats that are growing in volume and complexity. Yet the consequences of the global financial crisis are still being felt and national defence budgets continue to be squeezed as a result. [...]