15-car wreck at Las Vegas 300

LAS VEGAS - OCTOBER 16: The #12 Team Penske Dallara Honda of Will Power of Australia flies in the air during a 15 car pileup during the Las Vegas Indy 300 part of the IZOD IndyCar World Championships presented by Honda on September 16, 2011 at the Las Vegas Motor Speedway in Las Vegas, Nevada. (Photo by Robert Laberge/Getty Images)

LAS VEGAS - OCTOBER 16: The car of Dan Wheldon of England, driver of the #77 Bowers & Wilkins Sam Schmidt Motorsports Dallara Honda (left), and the #30 Rahal Letterman Lanigan Dallara Honda of Pippa Mann fly in the air during the Las Vegas Indy 300 part of the IZOD IndyCar World Championships presented by Honda on October 16, 2011 at the Las Vegas Motor Speedway in Las Vegas, Nevada. (Photo by Robert Laberge/Getty Images)

LAS VEGAS - OCTOBER 16: The car of Dan Wheldon of England driver of the #77 Bowers & Wilkins Sam Schmidt Motorsports Dallara Honda (left) flies in the air during the Las Vegas Indy 300 part of the IZOD IndyCar World Championships presented by Honda on September 16, 2011 at the Las Vegas Motor Speedway in Las Vegas, Nevada. (Photo by Robert Laberge/Getty Images)

LAS VEGAS - OCTOBER 16: The car of Dan Wheldon driver of the #77 Bowers & Wilkins Sam Schmidt Motorsports Dallara Honda (top left) bursts into flames in a 15 car pile up including the #12 Team Penske Dallara Honda of Will Power during the Las Vegas Indy 300 part of the IZOD IndyCar World Championships presented by Honda on September 16, 2011 at the Las Vegas Motor Speedway in Las Vegas, Nevada. (Photo by Robert Laberge/Getty Images)

LAS VEGAS - OCTOBER 16: The car of Dan Wheldon driver of the #77 Bowers & Wilkins Sam Schmidt Motorsports Dallara Honda (top left) bursts into flames in a 15 car pile up including the #12 Team Penske Dallara Honda of Will Power during the Las Vegas Indy 300 part of the IZOD IndyCar World Championships presented by Honda on September 16, 2011 at the Las Vegas Motor Speedway in Las Vegas, Nevada. (Photo by Robert Laberge/Getty Images)

LAS VEGAS - OCTOBER 16: The car of Dan Wheldon driver of the #77 Bowers & Wilkins Sam Schmidt Motorsports Dallara Honda (top left) bursts into flames in a 15 car pile up during the Las Vegas Indy 300 part of the IZOD IndyCar World Championships presented by Honda on October 16, 2011 at the Las Vegas Motor Speedway in Las Vegas, Nevada. (Photo by Robert Laberge/Getty Images)

LAS VEGAS - OCTOBER 16: Cars are scattered on the track after a 15 car crash during the Las Vegas Indy 300 part of the IZOD IndyCar World Championships presented by Honda on October 16, 2011 at the Las Vegas Motor Speedway in Las Vegas, Nevada. (Photo by Robert Laberge/Getty Images)

LAS VEGAS - OCTOBER 16: Cars are scattered on the track after a 15 car crash during the Las Vegas Indy 300 part of the IZOD IndyCar World Championships presented by Honda on October 16, 2011 at the Las Vegas Motor Speedway in Las Vegas, Nevada. (Photo by Robert Laberge/Getty Images)

Crew members look at Paul Tracy's car after a 15-car crash early in the IndyCar Series' auto race Sunday, Oct. 16, 2011, in Las Vegas. (AP Photo/Eric Jamison)

Dan Wheldon, of England, is airlifted to University Medical Center following a crash early in the IndyCar Series' auto race Sunday, Oct. 16, 2011, in Las Vegas. (AP Photo/Isaac Brekken)