JPO intern Isaac Zammit is back to redefine security: The case for diplomatic engagement over military expansion in Australia. Isaac delves into The notion of a ‘just war’ and Pope Francis’ unequivocal stance against war as a means to achieve peace. The case for Australia to realign its defence strategy would not only align with the Catholic teaching regarding the rejection of war but also contribute to a more stable economy and peaceful international order. Australia has the opportunity to champion a more peaceful, stable, and just world.