WE HAD A WRECK WITH OUR MOTOR HOME THROUGH NO FAULT OF OUR OWN. AFTER THE TIRE EXPLODED, WE ENDED UP IN A SWAMPY FIELD APPROX. 300 YARDS OFF THE HIGHWAY. THERE WERE NO EVENTS LEADING UP TO THE FAILURE OF THIS TIRE. WE WERE RUNNING SMOOTHLY AT THE SPEED LIMIT OF 65MPH. WE HAD BEEN TRAVELING FOR APPROX. 3 HOURS ON A SMOOTH HIGHWAY. WE WERE IN OUR 45' MOTOR HOME. WE HEARD AN EXPLOSION SOUND, SUDDEN LOSS OF AIR, IT HAD NEVER HAPPENED EVER BEFORE. ALL THE TIRES HAD A LOT OF TREAD AND ONLY APPROX. 27,000 MILES ON ALL TIRES. WE DID NOT HIT ANYTHING IN THE ROAD. WE CHECKED THE PRESSURE IN THE TIRES PRIOR TO TAKE OFF; WE ALWAYS DO. WE ARE EXPERIENCED SAFE DRIVERS; NO ACCIDENTS PRIOR. THE TIRE HAD MASSIVE TREAD SEPARATION AND MASSIVE BELT SEPARATION. THE TIRE IS LOCKED UP IN STORAGE UNIT WHERE OUR MOTOR HOME IS BEING EVALUATED FOR DAMAGES. IT WAS A HORRIFIC EXPERIENCE.