Last year's Blue Origin launch failure Jeff Bezos rocket company says an overheated rocket engine nozzle is to blame. And investigation into the September incident found the design change led to the problem the company says, it's now been fixed. The new shepherd rocket was carrying experiments when its engine nozzle broke apart last fall, the rocket came crashing down after the capsule catapulted off and parachuted to safety. No one was hurt and no property on the ground was damaged, the failure grounded flights for 6 months. Quick