Inmarsat Plc provides global mobile satellite communication services. Inmarsat offers the widest portfolio of global communications solutions and value-added services available on the market. It provides voice and high-speed data services to almost anywhere on the planet, on land, at sea and in the air. On land, the company enables people and organisations to make calls or connect to the internet, whenever and wherever they need, using handheld satellite phones or small notebook-size broadband devices. At sea, it offers a range of communication and safety services, including voice and broadband IP data for vessel operations, crew and passenger connectivity, and access to the Global Maritime Distress and Safety System. In the air, Inmarsat are the most widely used satellite operator in the aviation sector, enabling a diverse range of applications for the cockpit and cabin, from safety communications, weather and flight updates to email, Internet and phone services. For the government users, it serves their needs across all market areas, thereby fulfilling their operational needs, whether in theatre or as first responders in times of need. The company was founded in July 1979 and is headquartered in London, the United Kingdom.