Saudi Arabia has acquired a Massachusetts firm that is a leading supplier to the U.S. military. The state-owned Saudi Basic Industries Corp. has purchased GE Plastics from General Electric for $11.6 billion. Based in Pittsfield, Mass., GE Plastics, with 11,000 employees, develops and manufactures plastic polymers, composites and polycarbonates used in U.S. military platforms, including fighter-jets, submarines and engines. "SABIC's intention is to grow globally," SABIC chief executive officer Mohamed Al Mady said. In May 2007, SABIC announced the acquisition of GE Plastics, regarded as the largest transaction ever completed in the United States by a Gulf Cooperation Council state,...