Threats to national security are not only present on the mainland, but also can happen in the air. Any kind of threats which appear on the air must be detected and handled as early as possible to avoid material loss, damage or loss of life. Air defence power is an important thing and needs to be continuously built to avoid threats that come from the air, Air defence power is an important thing and needs to be continuously built to avoid defence threats that come from the air, and efforts to build air defence power can be done by building a strategic air defence industry through cooperation between the Indonesian Air Force and other stakeholders, such as with national aerospace technology industry. This research used qualitative method, data obtained from interviews with some informants and secondary data, through media, and meeting reports, data obtained then validated by triangulation technique. This research has pointed to the important of armament independence to optimize Indonesia's air defence power. The role of the defence industry is getting stronger in line with the military industrial complex (MIC) theory. The three main pillars of the defence industry which consist of the Government, the defence industry and the TNI as users must work hand in hand to support the independence of the defence industry.