Under the original Artemis architecture, NASA planned on multiple versions of the SLS rocket, ranging from the "Block 1" vehicle currently in use to a more powerful EUS-equipped Block 1B and eventually an even bigger Block 2 model using advanced solid rocket boosters. The latter two versions required use of a taller mobile launch gantry, already well under construction at the Kennedy Space Center.
Publication date: 28 February 2026
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Neil, bottom right, with fellow Whitesnake members at Shepperton Studios in 1978.
This is the fourth episode but it's only been six minutes into the show because each episode is just 120 seconds. And rather than being a cliffhanger, this is how the episode opens.