The newest version of the Navy's Aegis Ballistic Missile Defense System demonstrated for the first time the ability to detect and track a medium-range ballistic missile target flying within the Earth's atmosphere during a test over the Pacific Ocean, the Missile Defense Agency said in a statement. At 3 a.m. EDT on May 18, the guided missile destroyer John Paul Jones (DDG-53) -- operating west of Hawaii -- detected and tracked a medium-range ballistic missile target fired from the Pacific...