Ground Zero: When Terrestrial Infrastructure Fails, What Does Space Actually Replace

Hybrid warfare doesn't need to destroy infrastructure — disrupting it is enough. As adversaries increasingly target ground-based communications, navigation and logistics networks, a structural question emerges: which functions can space genuinely substitute, and which cannot? This session maps where satellite systems already replace terrestrial equivalents, where dependencies are outpacing resilience doctrine, and what this means for European defence planning under hybrid threat conditions.