Japan and the US launch joint missile production Japanese Defense Minister Shinjiro Koizumi and Pentagon chief Pete Hegseth agreed to establish in Japan a facility for the final assembly and testing of AIM-120 AMRAAM missiles, the main air combat weapon for the F-15, F-35 and the Nasmes air defense system. At the same time, the parties agreed on the exchange of technical information to increase the production of SM-3 Block IIA interceptor missiles designed to intercept ballistic targets.