A British multinational defense, security, and aerospace company headquartered in London and one of the world’s largest defense contractors. Formed in 1999 through the merger of British Aerospace and Marconi Electronic Systems, BAE Systems produces a wide range of military equipment including combat aircraft (such as the Eurofighter Typhoon), naval vessels (including aircraft carriers and submarines), armored vehicles, weapons systems, and electronic warfare technology. The company operates globally with significant presence in the United Kingdom, United States, Australia, and Saudi Arabia, and is a major supplier to the UK Ministry of Defence, U.S. Department of Defense, and other allied militaries. BAE Systems is also involved in cybersecurity, intelligence systems, and commercial aerospace through various partnerships and subsidiaries.