MILITARY INTEL: Historical Patterns in Military Spending and Industrial Capacity Global military expenditure reached $2.4 trillion in 2023, with the top 10 spenders accounting for 83% of that total—a concentration that mirrors Cold War-era defense economics. The U.S. defense industrial base currently operates at roughly 70-75% capacity utilization across major contractors, compared to sustained 90%+ mobilization during WWII, indicating significant surge production capability if geopolitical conditions escalate. Historical data shows that nations with robust peacetime industrial diversification (dual-use manufacturing, supply chain resilience) recovered faster from conflicts than those dependent on single-source suppliers—a lesson from both post-1945 reconstruction and modern supply chain disruptions during Ukraine conflict. This matters because current underutilization suggests most developed militaries could rapidly scale production, making deterrence calculations dependent less on existing stockpiles and more on demonstrated manufacturing will—a dynamic not fully reflected in contemporary threat assessments.