Published: Jul 10, 2011 12:32 AM EDT
Updated: Jul 09, 2011 2:09 PM EDT

DARIEN LAKE, NY- An Army veteran and amputee was thrown from a ride at a theme park. He later died from his injuries.

James Thomas Hackemer was ejected from the Ride of Steel Roller Coaster at Darien Lake Theme Park resort. It happened between Bufallo and Rochester.

It's one of the tallest roller coasters in the United States. The park's safety experts are investigating how it happened.