BAE Systems plc is a global defense, aerospace, and security enterprise. Its extensive operations are structured across five principal divisions.

The Electronic Systems segment develops and supplies a wide array of advanced electronic solutions, including electronic warfare systems, navigation technologies, sophisticated electro-optical sensors, aerospace controls, and precision guidance and communication systems, alongside space electronics and electric propulsion. The Cyber & Intelligence segment provides critical services to governmental bodies, encompassing the modernization and cyber protection of military assets, comprehensive systems engineering, C5ISR capabilities, and data intelligence solutions designed to counter national threats, prevent fraud, ensure regulatory compliance, and deliver enterprise-level digital services.

Within the United States, its Platforms & Services segment manufactures combat vehicles, weapons, and munitions, while also offering ship repair services and managing government-owned munitions facilities. The Air segment is dedicated to the full lifecycle of combat and jet trainer aircraft, from development and manufacturing to upgrades and support.

Lastly, the Maritime segment designs, constructs, and maintains surface warships, submarines, and naval weaponry, including torpedoes, radars, command systems, naval guns, missile launchers, and precision munitions. Founded in 1970, BAE Systems plc maintains its headquarters in Farnborough, United Kingdom.