The Payload Engineering Center combines engineering talent in payload architecture, payload systems engineering, test engineering, detector engineering, optical engineering and cryogenics engineering, with specialty labs and flight production and test facilities (optical test and manufacturing facility, detector technology center, cryogenics lab and the small payload test facility). About BAE Systems Space & Mission Systems BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services.