FILE - In this May 7, 1992, file photo, Rick Mears crashes in turn two during practice at the Indianapolis Motor Speedway in Indianapolis. High speed, risky maneuvers and a crowded field have always been a dangerous combination at the Indianapolis 500. But at a race that has too often ended in tragedy for drivers, crew members and fans, the most spectacular crashes are often the most unforgettable. (AP Photo/Carl Pendleton, File)