This is the Astro Orbiter ride on top of the Rocket Tower Plaza in Tomorrowland section of Walt Disney World's Magic Kingdom. This ride was built by the Klaus Company and opened on November 28, 1974 as Star Jets with a NASA Saturn V rocket design overlay. This ride opened three years after the Magic Kingdom opened. It was part of a massive expansion which included the additions of the WED Way People Mover, Space Mountain, and the Carousel of Progress. The ride was redesigned to look similar to the Orbitron ride at Disneyland Paris and renamed the Astro Orbiter. according the Wikipedia, the ride does 11 rotations per minute and averages 1.2 million miles per year.
