Airport infrastructure is the backbone of global connectivity, serving as a critical engine for economic growth and national security. Beyond the obvious function of moving passengers, airports facilitate high-value global trade; while air cargo represents a small percentage of total weight moved globally, it accounts for over 35% of global trade by value. Modern infrastructure—including runways, air traffic control towers, and specialized hangars—ensures the safety and efficiency of these operations. Furthermore, airports are vital during humanitarian crises, acting as the primary nodes for delivering medical aid and emergency responders. Well-maintained infrastructure also supports "intermodal" transport, linking air travel to rail and road networks, which reduces local congestion and environmental impact. Investing in "smart" infrastructure, such as automated baggage systems and biometric gates, is essential in 2026 to handle the projected doubling of global air traffic over the next two decades.