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Nasa pushes back time frame for human moon mission to 2025

Trump's administration had set the aggressive goal of returning humans to the lunar surface by 2024.

Published: Wed 10 Nov 2021, 6:35 AM

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  • Reuters

Nasa is extending its target date for sending astronauts back to the moon to 2025 at the earliest, the US space agency's chief said on Tuesday, stretching out by at least a year the timeline pronounced under former President Donald Trump.

Trump's administration had set the aggressive goal of returning humans to the lunar surface by 2024, an initiative named Artemis intended as a stepping stone toward the even-more-ambitious objective of sending astronauts to Mars.

Nasa Administrator Bill Nelson cited delays from legal wrangling over the SpaceX contract to build the Artemis lunar landing vehicle as a major reason for extending the target date.

"We lost nearly seven months in litigation, and that likely has pushed the first human landing likely to no earlier than 2025," Nelson told a news conference. "We are estimating no earlier than 2025 for Artemis 3, which would be the human lander on the first demonstration landing."

A federal judge last Thursday rejected a lawsuit by Jeff Bezos' space company Blue Origin against the US government challenging NASA's decision to award a $2.9 billion lunar lander contract to rival billionaire Elon Musk's SpaceX.

The ruling allows the National Aeronautics and Space Administration to resume its collaboration with SpaceX on the lander contract, though Nelson said that Musk's company had continued development work on its own in the meantime.

Citing additional factors for the new timeline, Nelson said Congress had previously approved too little money for the program and that the Trump administration's "target of a 2024 human landing was not grounded in technical feasibility."

Nelson, a former astronaut and US senator appointed by President Joe Biden to lead the space agency, said delays caused by the Covid-19 pandemic also played a role.

Nasa had previously aimed to return crewed spacecraft to the lunar surface by 2028, after putting a "Gateway" space station into orbit around the moon by 2024.

But the Trump administration, in a surprise 2019 pronouncement from then-Vice President Mike Pence, set a deadline for putting Americans back on the moon within five years "by any means necessary."

At the time, Pence said the United States was in a new "space race," borrowing vocabulary from the 1960s Cold War era, to counter the potential space weaponry capabilities of Russia and China.

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COMPETING WITH CHINA

Nelson said China's space program, which has included robotic exploration of the lunar surface and Mars, remains an impetus for the Artemis project.

"We're going to be as aggressive as we can be in a safe and technically feasible way to beat out competitors with boots on the moon," he said.

Since 2020, Nasa has launched three astronaut crews aboard SpaceX rocketships to the International Space Station, with a fourth such mission expected in orbit as early as this week.

The US Apollo program sent six human missions to the moon from 1969 to 1972, the only crewed spaceflights yet to reach the lunar surface. The Artemis program, named for the twin sister of Apollo and goddess of the hunt and moon in Greek mythology, is aimed at eventually establishing a long-term human colony on the moon as a precursor to sending astronauts to Mars.

Under the latest frame outlined by Nelson, the very first Artemis mission, an uncrewed test flight of the Orion capsule and the new heavy-lift Space Launch System (SLS) rocket that will send it aloft, is targeted for liftoff in February 2022.

The first crewed flight of the SLS-Orion spacecraft would come no later than May 2024, a mission that would take astronauts some 40,000 miles beyond the moon - farther than humans have ever flown - and return them to Earth, Nelson said.

He said the initial human Artemis landing, now expected no sooner than 2025, would also be preceded at some unspecified date by an uncrewed landing. Nasa has said the first Artemis crewed moon landing will include at least one woman, with a person of colour on either that mission or the next. Both would be firsts.



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