Babcock International Group PLC, together with its subsidiaries, engages in the design, development, manufacture, and integration of specialist systems for aerospace, defense, and security in the United Kingdom, rest of Europe, Africa, North America, Australasia, and internationally. It operates through four segments: Marine, Nuclear, Land, and Aviation. The company offers aircraft carriers, frigates, warships, submarines and equipment, weapons handling and launch systems, liquid gas handling and engineering systems, secure military communications systems, autonomous and uncrewed aerial systems, and technology-enabled solutions for secure communications, electronic warfare, and air defense applications. It also provides naval architecture, frontline support, specialist training, and asset management, as well as engineering support services for naval, land, air, and nuclear operations. In addition, the company is involved in the design, integration, and through-life support of various connected combat, support, and surveillance vehicles; integration of long-range fires and C4ISTAR systems; provision of system engineering and general vehicle architecture services; repowering solution to convert platforms; and specialist vehicle conversions. The company was founded in 1891 and is headquartered in London, the United Kingdom.