WESTOVER AIR FORCE BASE, Mass. --   The Shockwave Jet Truck turned on its side at approximately 11:00 a.m. today, here. The jet truck was performing as part of the Great New England Air Show. The vehicle carried a driver. The driver indicated he was uninjured. He is being evaluated here by medical personnel as a precautionary measure. There was no fuel leak or damage to the runway. Additional details will be provided as soon as they become available. The air show will continue as planned.