The current as well as future dynamics of strategic environment are likely to face threats that are multidimensional in nature. Indonesia needs a total state defence system that integrates the capabilities of military and non-military. To actualise this ambition, Law No. 23 of 2019, along with Government Regulation No. 3 of 2021, is presently targeting the interests of the reserve components. This research analyses citizens’ role in the formulation of reserve components in land, sea, and air domains using Strengths, Weaknesses, Opportunities, Threats (SWOT) analysis.