MILITARY INTELLIGENCE Ukraine's Air Defense Capability Gap and NATO Supply Constraints Ukraine has lost approximately 40% of its Soviet-era air defense systems since February 2022, while Western nations have delivered only 12 Patriot batteries against an estimated need for 25-30 systems to adequately protect key infrastructure and population centers. Historical precedent from the 1973 Yom Kippur War and 1991 Gulf War demonstrates that modern peer-conflict air defense requires layered, redundant systems—yet current NATO production capacity (approximately 4-6 Patriot batteries annually) cannot match Ukraine's attrition rate while simultaneously maintaining commitments to Poland, Romania, and other frontline NATO allies. This supply-demand mismatch directly correlates with Russia's increased success in striking civilian infrastructure; SIGINT reports indicate Moscow has deliberately shifted targeting doctrine toward air defense depots and communication nodes, recognizing this vulnerability. The broader implication: NATO's Cold War-era logistics infrastructure was designed for territorial defense, not sustained peer-conflict support operations, exposing critical gaps in alliance coordination that will shape procurement and industrial policy for the next decade.