The U.S. and Israel have started development of an upper-stage component to Israel’s Arrow-3 missile defense architecture. Arieh Herzog, director of Israel’s missile defense program, says the main element will be a highly maneuverable exoatmospheric interceptor that zeros in on an incoming missile. The decision to add the component, which will be jointly developed by Israel Aerospace Industries (IAI) and Boeing, stems from a study conducted in that identified a need for it in Israel’s ballistic missile defense system. Meanwhile, given the urgent need to meet the growing ballistic missile threat from Iran, IAI is pressing ahead with the Arrow-3...