Mercedes driver Lewis Hamilton on won the 2015 Formula 1 United States Grand Prix title. It was the third title for Hamilton at the Circuit of the Americas in Elroy, Texas of the USA where championship is being held annually.
In the final race, while his team-mate Nico Rosberg of Germany stood at the second position, Ferrari driver Sebastian Vettel (Germany) was at the third.
Hamilton: Third F1 title the greatest moment of my life
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