About BAE Systems Intelligence & Security 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. Conduct integrated engineering-level assessments, production, verification, validation, operation, maintenance, and problem resolution processes over the life cycle of the ICBM program to identify and mitigate design, digital models, production, and test deficiencies that could impact mission assurance.