The U.S.-Iran conflict has brought renewed focus on the central role of air defense systems in modern warfare.Iran's missile and drone strikes, and dwindling stocks of U.S. and Israeli interceptors, are being watched especially closely in Taiwan, where the government aims to complete its "T-Dome" multilayered air defense network next year.Why It MattersChina claims Taiwan as its territory and has sharply increased military activity around the island, including multiple large-scale exercises in recent years, to pressure the Beijing-skeptic government of President Lai Ching-te. Chinese President Xi Jinping has vowed unification is inevitable and has not ruled out using force to…