BAE Systems Plc engages in the provision of a full range of products and services for air, land, and naval forces, advanced electronics, security, information technology solutions, and support services. Its Electronic Systems segment comprises the United States and the United Kingdom-based electronics activities, including electronic warfare systems, navigation systems, electro-optical sensors, military and commercial digital engine and flight controls, precision guidance and seeker solutions, and others. Platforms & Services segment, with operations in the United States, United Kingdom and Sweden, manufactures and upgrades combat vehicles, weapons and munitions, and delivers services and sustainment activities. Air segment comprises its United Kingdom-based air activities for European and International Markets, and others. Maritime segment comprises its United Kingdom-based maritime and land activities. Cyber & Intelligence segment comprises the United States-based intelligence and security business and applied intelligence business, and covers its cyber security, commercial financial security activities, and others.