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Enlarge / Vice President Mike Pence speaks at the US Space & Rocket Center in Huntsville, Ala.NASA

On Tuesday, at a museum within a stone's throw of Marshall Space Flight Center in Alabama, Vice President Mike Pence delivered a significant space policy speech that called for American men and women to return to the Moon by 2024. If the Trump administration follows through on the policies Pence outlined—admittedly a huge if—this was arguably the most consequential space speech since President Kennedy's Moon speech in 1962.

However, Pence's comments, and some of the plan later outlined by NASA administrator Jim Bridenstine, raised significant questions about the viability of these ideas.

During a 30-minute speech that Ars previewed last week, Pence said NASA has moved too slow for too long. Half a century ago, the agency only took eight years to go to the Moon, Pence said, when NASA didn't know how to do the job. Therefore, he was not satisfied with NASA's stated aim of landing humans on the Moon by 2028, which would come 11 years after President Trump first established the goal of returning humans to the lunar surface.

"Ladies and gentlemen, that's just not good enough," Pence told the National Space Council during its meeting at the US Space & Rocket Center in Huntsville, Alabama. "We're better than that."

A bold speech

In setting a goal of 2024 for landing humans on the Moon—at the lunar South Pole, no less—Pence said NASA must proceed with "urgency" if it is to achieve these aims. "It's up to this generation to meet the challenge of our time," he said.

Critically, Pence also noted that NASA's oft-delayed Space Launch System rocket has been problematic from a budget and schedule standpoint. In calling for a "major course correction" at NASA, Pence said the agency must be willing to consider commercial alternatives for rockets and lunar landers if they can do the job and save the government money.

"I call on NASA to adopt new policies and embrace a new mindset," Pence said. "If our current contractors can't meet this objective, then we'll find ones that will." This was likely a reference, at least in part, to lower-cost rockets built by SpaceX and Blue Origin.

This was a bold speech (we will link to a transcript when it is available). In his remarks, the vice president plainly stated what has been an open—but rarely talked about—secret in space policy circles. Large contractors on the Space Launch System, Orion, and other programs have under-delivered for the billions of dollars they have received. The agency has basically been in "development mode" for deep-space exploration for 15 years with no actual exploration to show for it, and it's on course to remain so for a while.

After Pence's speech, NASA Administrator Jim Bridenstine was invited to speak for a few minutes about how NASA might achieve this goal. "You have given us a charge today, and it is right on time," Bridenstine said. "Thank you for that vision and that leadership. Our agency, NASA, is going to do everything in its power to meet that deadline."

To accomplish this, however, Bridenstine doubled down on the Space Launch System rocket. "If we want to achieve 2024, we have to have SLS," Bridenstine said. The rocket will be delayed no more, he said. In fact, although internally NASA engineers say the booster cannot be ready before 2021, its launch date will be brought forward.

On Tuesday, Bridenstine said Exploration Mission-1, which involves flying an uncrewed version of Orion around the Moon, will proceed on the SLS booster in 2020. This announcement came less than two weeks after his suggestion that maybe NASA should launch the first lunar flight of Orion on commercial rockets due to ongoing SLS delays.

In another surprising turnaround, Bridenstine also said the agency must now accelerate work on an advanced upper stage for the SLS rocket, known as the Exploration Upper Stage. This will be needed for the third or fourth flight of the SLS rocket (presumably part of the build-up for lunar missions). But Bridenstine did not say why. By contrast, the president's budget request released Read More – Source

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Ars Technica

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