It is the flag carrier of Singapore and a 5-star airline. Singapore Airlines operates a hub at Changi Airport and has a strong presence in the Southeast Asia, East Asia, South Asia, and "Kangaroo Route" markets. On 15 December 2010, Singapore Airlines was announced by the International Air Transport Association as the second largest airline in the world by market capitalisation with a worth of 14 billion US dollars. Singapore Airlines utilises the Singapore Girl as its central figure in its corporate branding.