BAE Systems plc is a defense, aerospace and security company. Its segments include Electronic Systems, which consist of the Company's United States and United Kingdom-based electronics activities; Cyber & Intelligence, which consists of its United States-based Intelligence & Security business and the United Kingdom-headquartered applied intelligence business; Platforms & Services (US), which produces combat vehicles, weapons and munitions; Platforms & Services (UK), which consist of its United Kingdom-based air, maritime, combat vehicle, munitions and shared services activities; Platforms & Services (International), which consist of the Company's businesses in Saudi Arabia, Australia and Oman, together with its interest in the MBDA joint venture, and HQ, which comprises the Company's head office activities, together with approximately 49% interest in Air Astana. Cyber & Intelligence covers the Company's cyber security, government, and commercial and financial security activities.