the UK. In 1947, QEA was nationalised by the Australian government led by Labor Prime Minister Ben Chifley. QANTAS Limited was then wound up. After nationalisation, Qantas' remaining domestic network, in Queensland, was transferred to the also nationally owned Trans-Australia Airlines, leaving Qantas with a purely international network. Shortly after nationalisation, QEA began its first services outside the British Empire, to Tokyo. Services to Hong Kong began around the same time. In 1957 a head office, Qantas House, opened in Sydney. Jet age In June 1959, Qantas entered the jet age when the first Boeing 707–138 was delivered. On , Qantas merged with nationally owned domestic airline Australian Airlines (renamed from Trans-Australia Airlines in 1986). The airline started to be rebranded as Qantas in the following year. Qantas was gradually privatised between 1993 and 1997. Under legislation passed to allow the privatisation, Qantas must be at least 51% owned by Australian shareholders. Oneworld and Jetstar In 1998, Qantas co-founded the Oneworld alliance with American Airlines, British Airways, Canadian Airlines, and Cathay Pacific, with other airlines joining subsequently. With the entry of new discount airline Virgin Blue (now Virgin Australia) into the domestic market in 2000, Qantas' market share fell. Qantas created the budget Jetstar in 2001 to compete. The main domestic competitor to Qantas, Ansett Australia, collapsed on 14 September 2001. Market share for Qantas immediately neared 90%, but competition with Virgin increased as it expanded; the market share of the Qantas Group eventually settled at a relatively stable position of about 65%, with 30% for Virgin and other regional airlines accounting for the rest of the market. 2001–2019 developments Qantas briefly revived the Australian Airlines name for a short-lived international budget airline between 2002 and 2006, but this subsidiary was shut down in favour of expanding Jetstar internationally, including to New Zealand. In 2004, the Qantas group expanded into the Asian budget airline market with Jetstar Asia Airways, in which Qantas owns a minority stake. A similar model was used for the investment into Jetstar Pacific, headquartered in Vietnam, in 2007, and Jetstar Japan, launched in 2012. In December 2006, Qantas was the subject of a failed bid from a consortium calling itself Airline Partners Australia. Merger talks with British Airways in 2008 also did not proceed to an agreement. In 2011, industrial relations dispute between Qantas and the Transport Workers Union of Australia resulted in the grounding of