The rapid evolution of artificial intelligence has already transformed industries from healthcare to transportation, but its most consequential impact may be unfolding on the battlefield. In a recent interview, former Acting Secretary of Defense Christopher Miller offered a sobering assessment of how AI is fundamentally reshaping modern warfare—creating both unprecedented opportunities and existential risks. As nation-states and non-state actors alike rush to harness these technologies, military and intelligence communities worldwide are navigating uncharted territory where algorithms could increasingly determine strategic outcomes and human survival.
The most profound insight from Miller's assessment centers on the autonomy question: as AI systems become more sophisticated, who—or what—will make life-or-death decisions in combat situations? This isn't merely a philosophical thought experiment but an immediate practical challenge. Military planners must balance tactical advantages of split-second AI decision-making against the moral imperatives of human judgment and accountability.
This tension exists against the backdrop of accelerating global competition. While the United States has publicly committed to keeping humans "in the loop" for lethal force decisions, Miller acknowledges the pressure to match capabilities with less restrained actors. As he notes, adversaries like China and Russia are aggressively pursuing fully autonomous systems with fewer ethical guardrails. This creates the classic security dilemma where defensive measures by one state are perceived as offensive threats by others, potentially triggering an autonomous weapons arms race that no one can control.
What Miller's analysis doesn't fully address is how AI might create novel forms of warfare beyond traditional kinetic operations. The integration of AI with information operations, for instance, opens disturbing possibilities for highly targeted psychological manipulation at unprecedented scale. We're already witnessing early versions of this through deepfakes and algorithmically optimized disinformation campaigns.
Consider Russia's use of AI-enhanced information warfare in Ukraine