Since 2022, Poland has importantly accelerated the modernization of the Armed Forces in consequence to the leaping increase in threat after Russia's full-scale aggression against Ukraine. However, concerns arise as to whether Poland will be able to build adequate defence potential, being inactive a little prosperous country than Western European allies or countries specified as South Korea, Australia or Japan. In this context, it is worth looking at the example of Greece, which, with a much lower demographic and economical possible than Poland, has a strong, rather numerous, and, as a modern army, writes Jakub Palowski and Dr Łukasz Stach.