Rev, White and Boom at Phoenix International Raceway

Ah, America! Nothing says patriotism like the rocket's red glare and bombs bursting in air. See what went behind the fireworks display at Phoenix International Raceway on July 3.

Jonathan McNamara

Explosive charges like this one bathed Phoenix International Raceway in a galaxy of color and light on July 3, 2008. But what goes into preparing a fireworks display like this one?