Taiwan gained critical information about Beijing’s ballistic missile launch this week thanks to the island’s long-range early-warning radar system and intelligence sharing with Washington. The island’s AN/FPS-115 Pave Paws long-range early-warning radar detected the missile soon after it was launched from a nuclear-powered submarine in the South China Sea, the Liberty Times reported on Wednesday, quoting a senior Taiwanese official. The system tracked the missile’s trajectory during the initial...