NASA's next-generation moon rocket began a highly anticipated, slow-motion journey out of its assembly plant en route to the launch pad in Florida for a final round of tests in the coming weeks that will determine how soon the spacecraft can fly.
Rollout of the 32-story-tall Space Launch System rocket with its Orion crew capsule perched on top marks a key milestone in U.S. plans for renewed lunar exploration after years of setbacks, and the public's first glimpse of a space vehicle more than a decade in development.
The spectacle, unfolding under clear skies, was carried live on NASA Television and the space agency's website. A band from the University of Central Florida played the National Anthem as the rollout began in front of throngs of employees and other onlookers gathered outside to watch the event. Engineers plan to fully load the SLS core fuel tanks with super-cooled liquid hydrogen and liquid oxygen propellant and conduct a simulated launch countdown - stopping seconds before the rocket's four R-25 engines would ignite - in a top-to-bottom evaluation of the entire system.The outcome will determine when NASA will attempt its first launch of the rocket and capsule combination, a mission designated Artemis I.
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