The drivers are signed, the races are scheduled and the teams are gearing up for the 2015 Formula One World Championship. That means it's time for the teams to roll out their new cars for this year, and Williams has broken the ice first.

You're looking at the new FW37 – the 37th grand prix racer to come out of Sir Frank Williams' house. Since the rules haven't changed nearly as dramatically as they did last year, the new chassis from Williams Martini Racing (as the team is now known) is largely an evolution of the FW36 that finished third in the constructors' standings – the best the team has done in over a decade. The main differences are in tweaking the aerodynamics.

For this season, the F1 banned the awkward noses that characterized last year's cars, so the new FW37 (like its rivals expected to follow) features a lower nose that necessitated a redesign of the front section. And the whole thing is painted white and draped in those iconic racing stripes.

Having switched from Renault and from Cosworth before, Williams' latest will once again be powered by the Mercedes PU106A power unit – the same 1.6-liter V6 turbo hybrid that dominated last year's championship. The team has also kept both Felipe Massa and Valtteri Bottas – who finished in seventh and fourth places, respectively – in their seats for this season, with Susie Wolff acting as test driver.

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