The Artemis III test flight with one or two lander dockings in Earth orbit is similar in concept to Apollo 9, which launched a command module and lander to Earth orbit for flight tests in 1969 and helped pave the way to the Apollo 11 landing four months later.
"That was one about my idol," he told the Birmingham crowd. "And this is one he wrote," he said, launching into a cover of The Beatles' 1968 classic Revolution.
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