BAE Systems is a global company engaged in the design, development, manufacturing, and support of defense and aerospace systems. It operates in four domains: Air, Maritime, Land, and Cyber. The Air domain is engaged in the manufacture, development, upgrade, and in-service support of Typhoon combat aircraft, Hawk trainer aircraft, electronics equipment for military aircraft, unmanned air, defense information systems, avionics equipment for commercial aircraft, and missiles and missile systems. The Maritime domain designs and manufactures submarines, warships, naval gun systems, torpedoes, radars, naval command, and combat systems, as well as provides naval ship repair and modernization, support to surface ships, and facilities management services. The Land domain engages in the design, manufacture, upgrade, and support of tracked and amphibious combat vehicles, ammunition and precision munitions, electric and hybrid electric drive systems, artillery systems, and missile launchers. The Cybers domain supplies cyber, intelligence, and security capabilities to government agencies and defense-grade cyber solutions for the commercial market.