9/11/2012 - Ted Culbertson jumps his motorcross bike while Keith Slayer high fives crowd members Sept. 8, 2012, at The Exchange here. Red Bull Jams, a motorcross tour designed to give back to troops and their families by performing at military installations, made its fourth stop on its first tour at Nellis Air Force Base. The motorcross riders on this tour were Ted Culbertson, Keith Sayer and Rodney Renner. (U.S. Air Force photo by Senior Airman Jack Sanders)

9/11/2012 - Keith Sayer, Red Bull Jams motocross rider, flys through the air after a jump Sept. 8, 2012, at The Exchange here. Red Bull Jams, a motocross tour designed to give back to troops and their families by performing at military installations, stopped at Nellis Air Force Base to put on a show for Airmen and their families here.(U.S. Air Force photo by Senior Airman Jack Sanders)

9/11/2012 - Ted Culbertson, Red Bull Jams motocross rider, jumps his bike for a crowd Sept. 8, 2012, at The Exchange here. The motocross riders who performed here were Ted Culbertson, Keith Sayer and Rodney Renner. (U.S. Air Force photo by Senior Airman Jack Sanders)

9/11/2012 - Ted Culbertson, Red Bull Jams motocross rider, jumps his bike for a crowd Sept. 8, 2012, at The Exchange here. The Red Bull Jams tour is putting on a show for servicemembers and their families across the U.S. (U.S. Air Force photo by Senior Airman Jack Sanders)

9/11/2012 - Ted Culbertson, Red Bull Jams motocross rider, performs a trick jump for a crowd Sept. 8, 2012, at The Exchange here. (U.S. Air Force photo by Senior Airman Jack Sanders)

9/11/2012 - Ted Culbertson, Red Bull Jams motocross rider, launches off a ramp in front of a crowd Sept. 8, 2012, at The Exchange here. Culbertson was visiting Nellis as the fourth stop of the first Red Bull Jams tour. (U.S. Air Force photo by Senior Airman Jack Sanders)

9/11/2012 - Ted Culbertson, Red Bull Jams motocross rider, jumps his bike for a crowd Sept. 8, 2012, at The Exchange here. The Red Bull Jams tour is putting on a show for servicemembers and their families across the U.S. (U.S. Air Force photo by Senior Airman Jack Sanders)

9/11/2012 - Rodney Renner, Red Bull Jams motocross rider, high-fives crowd members Sept. 8, 2012, at The Exchange here. Renner is an X-Games gold medalist.(U.S. Air Force photo by Senior Airman Jack Sanders)

9/11/2012 - Keith Sayer, Red Bull Jams motocross rider, does a backflip on his bike for a crowd Sept. 8, 2012, at The Exchange here. Sayer started motocross in 1995 at 12 years old. (U.S. Air Force photo by Senior Airman Jack Sanders)

9/11/2012 - Rodney Renner and Ted Culbertson, Red Bull Jams motocross rider, sign booklets at a meet and greet Sept. 8, 2012, at The Exchange here. The signing took place after the Red Bull Jams X-Fighters put on a small demonstration for Airmen and their families here. (U.S. Air Force photo by Senior Airman Jack Sanders)