Super Heavy Is Poised To Dethrone SLS As World’s Most Powerful Rocket

Starship upper stage and Super Heavy booster

A Starship upper stage and Super Heavy booster, standing nearly 400 ft. tall, were loaded with more than 10 million gal. of propellants for a Jan. 23 wet dress rehearsal for launch.

Credit: SpaceX
When NASA’s Space Launch System rocket lifted off for the Artemis program’s first mission to the Moon, it became the most powerful booster to fly successfully. But that milestone, set less than three months ago, is about to be eclipsed. SpaceX is nearing the debut launch of its Starship/Super Heavy...
Irene Klotz

Irene Klotz is Senior Space Editor for Aviation Week, based in Cape Canaveral. Before joining Aviation Week in 2017, Irene spent 25 years as a wire service reporter covering human and robotic spaceflight, commercial space, astronomy, science and technology for Reuters and United Press International.

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