 On 20 February 2007 "Queen Elizabeth 2", while on her annual world cruise, met her running mate and successor flagship "QM2" (herself on her maiden world cruise) in Sydney Harbour, Australia.This was the first time two Cunard "Queens" had been together in Sydney since the original "Queen Mary" and "Queen Elizabeth" served as troop ships in 1941.On 18 June 2007, it was announced by Cunard that "QE2" had been purchased by the Dubai investment company Istithmar for $100 million.