Intersections

NHRA Top Fuel Champion Tony Schumacher and US Navy Lieutenant Aaron Ochalek are both at the top of their respective games, commanding two of the most explosive and dangerous machines in the world.

Monster Jam's Grave Digger driver Dennis Anderson and Supercross superstar Ryan Dungey race two very different machines, each looking for victory in their respective dirt track competitions.

Professional wing walker Jenny Forsythe and motorcycle stunt rider Cody Ives hope to execute their stunts flawlessly - and one careless move can spell disaster.

Despite two incredibly different landscapes, the Baja 500 and the I-500 Snowmobile race challenge their participants in some amazingly similar ways.

For both the US Coast Guard and the Tahoe Avalanche Rescue teams, mere seconds can mean the difference between life and death.

Two very different machines, the Edge 540, flown by Mike Goulian, and the Patron Highcroft racing car, driven by David Brabham compete in races filled with twists and turns that propel them to dizzying speeds and blackout level G-forces.

The M1 Abrams tank and the submarine USS New Mexico may operate in different environments, but their missions are the same.

The Caterpillar coal mining truck and firefighting aircraft perform vital functions dealing with fire. One mines the material needed to make it, the other flies high above in hope of extinguishing it.

NASA uses a giant crawler to transport a space shuttle to the launch pad; a heavy marine transport ship moves off shore oil rigs from one location to the next.

Stryker troop carriers and armored trucks carrying millions of dollars from one bank to the next, share similar strategies to protect their cargo.

Pit stops are necessary for the US Air force and for NASCAR teams to stay in the flight.