The two solid rocket motors, each weighing 104,000 pounds and the size of a Boeing 757 fuselage, were trucked from the Mojave Air and Space Port over two days.
Albuquerque-based startup X-Bow Systems won a $64 million defense contract that could set the company up as a long-term supplier of solid-state rocket motors for advanced weapons systems.
The last big transport of shuttle equipment to the California Science Center will traverse seven freeways to be installed at a 20-story museum exhibit.