Following a winter of uncertainty the rebranding of the former Honda works Formula 1 team as Brawn GP was officially announced on March 5 2009.
Just 22 days later Jenson Button and Rubens Barrichello finished 1-2 in Melbourne - the car's controversial double diffuser had been given the green light by the FIA, and rivals were left struggling to catch up.
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Button and Barrichello were unstoppable in the early races. Jenson won in Malaysia, was third in the wet in China, and then triumphed again in Bahrain, Spain, Monaco and Turkey, making it an extraordinary six wins in seven starts.