In 2009, Tony Gibson will call the shots for driver Ryan Newman and the #39 U.S. Army Chevrolet. Gibson, who has worked in the Sprint Cup garage since 1986, brings a level of leadership and teamwork that has been developed through years of experience in the racing industry.

He led DEI’s #8 Chevrolet to four top-five and 12 top-10 finishes in 2008, and understands how important a strong team is having been a part of three Cup title-winning teams with Alan Kulwicki and Jeff Gordon.

Up to 10 crew members stay behind the wall during pit stops, and they're responsible for all aspects of the tires, engine performance and mechanical system maintenance. At race time, seven pit crew members go "over the wall," and they include:

Responsible for fueling the car during pit stops and also calculates fuel mileage during the race.

Attaches the over flow catch can to the fuel vent during pit stops to catch any fuel that will overflow during the fueling process (a safety measure to keep spilling fuel from being ignited during pit stops).

Carries tires over the wall to assist the tire changer during pit stops, will also assist with chassis adjustments during pit stops.

Changes right and left rear tires during pit stops.

Will jack the car up for tire changers during pit stops.

Changes right and left front tires during pit stops.

Carries tires over the wall to assist the tire changer during pit stops.