Deterrence – the practice intended to discourage an adversary from taking unwanted actions, mainly concerning military aggression – has been the main subject of European defence policies. However, much of the ex-isting dialogue on deterrence is focused on space and cyber, which are considered to be the new domains of warfare. Although these domains complement the conventional ones, they do not replace them. Therefore, possessing reliable military capability at sea, in the air, and on land is still crucial to any deterrence strategy. Considered that, this Info Flash will fo-cus on land forces, specifically on the importance of armour for increasing both European military power and deterrence.