From logistics to rare earths, how private capital is rebuilding the 21st-century defense stack
The defense economy is no longer confined to weapons and uniforms. In the twenty-first century, resilience spans supply chains, cyber networks, energy grids, and the rare earths that power advanced systems. Increasingly, it is private capital, not governments alone, that is building and operating these critical layers. From logistics providers and satellite constellations to mining ventures and cybersecurity firms, investors are shaping the foundations of national strength. This article explores how Defense 3.0 is unfolding, where private markets are stepping in, and why the investment case is as much about stability as it is about returns.
