BAE Systems plc operates as a defense, aerospace, and security company worldwide. Its Electronic Systems segment offers electronic warfare systems and electro-optical sensors, military and commercial digital engine and flight controls, military communication systems and data links, persistent surveillance systems, and hybrid electric drive systems. The company's Cyber & Intelligence segment develops and supports mission software and systems in geospatial, intelligence, surveillance, reconnaissance, and mission management areas; provides analytic solutions and support to the US government; and systems engineering, integration, and through-life support services for US defense and coalition partner customers. This segment also delivers operational secure solutions to national security and critical infrastructure customers; and collects, manages, and exploits information to enable government and commercial clients to maintain security, manage risk, and optimize performance, as well as offers data exploitation, intelligence-grade security, and services and solutions integration to financial services, telecommunications, and energy and utility companies. Its Platforms & Services (US) segment produces combat vehicles, weapons, and munitions, as well as provides ship repair services and the management of government-owned munitions facilities. BAE Systems plc's Platforms & Services (UK) segment offers the air, maritime, combat vehicle, munitions, and shared services activities. The company's Platforms & Services (International) segment provides operational capability support to air and naval forces; produces, upgrades, and supports programs in the air, maritime, and land domains; and offers defense platforms and cyber security services. BAE Systems plc was incorporated in 1979 and is headquartered in London, the United Kingdom.