SLS Testing Pushes Launch Debut Into 2021

Credit: NASA
INDIANAPOLIS—Contractors for NASA’s Space Launch System heavy-lift rocket indicate the agency’s decision to put the core stage through a “green run” full-scale ground test means first launch is more likely in 2021, as they enter a final phase of integrated structures, engines and systems testing...
Guy Norris

Guy is a Senior Editor for Aviation Week, covering technology and propulsion. He is based in Colorado Springs.

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