"Flames shot more than 100 feet high in a successful 5.5-second ground test firing Thursday, Nov. 20, of a launch abort motor for NASA's next generation spacecraft, the Orion crew exploration vehicle. NASA and the Orion industry team conducted the firing at the Alliant Techsystems, or ATK, facility in Promontory, Utah."

http://www.nasa.gov/mission_pages/constellation/orion/las_nov08.html