NASA launches four astronauts on world's first crewed lunar mission in half a century

Four astronauts blasted off from Florida on Wednesday on NASA's Artemis II mission, a high-stakes voyage around the moon that marks the United States' boldest step yet toward returning humans to the lunar surface later this decade in a race with China.

NASA's Space Launch System (SLS) rocket, topped with its Orion crew capsule, roared to life just before sunset at the agency's Kennedy Space Center in Cape Canaveral, Florida, carrying its debut crew - three U.S. astronauts and a Canadian astronaut - into Earth orbit. The 32-story-tall space vehicle thundered into clear skies trailing a towering column of thick, white vapour.

NASA Administrator Jared Isaacman said the launch was an opening act for subsequent missions that would include construction of a moon base to support the "enduring presence we're trying to create on the surface."

If the mission proceeds as planned, the crew consisting of NASA astronauts ‌Reid Wiseman, Victor Glover and Christina Koch, plus Canadian Space Agency astronaut Jeremy Hansen, will fly around the moon and back in their nearly 10-day expedition, putting the spacecraft through its paces while venturing deeper into space than humans have ever gone.

The mission is the debut crewed test flight in the Artemis program, successor to NASA's Cold War-era Apollo project, and the world's first to send astronauts in the vicinity of the moon, out of Earth's orbit, in 53 years.

It serves as a crucial dress rehearsal for a NASA bid to land humans on the lunar surface later this decade, after one more crewed mission around the moon. NASA is targeting 2028 for Artemis IV, a first-ever landing of astronauts on the moon's South Pole, seeking to beat China's planned crewed mission to the same lunar region as early as 2030.

The last time astronauts walked on the moon - a feat so far achieved only by the United States - was the final Apollo mission in 1972.

'For all humanity' 

After nearly three years of training, the crew is the first to fly in NASA's Artemis program, a multibillion-dollar venture established in 2017 to build up a long-term U.S. presence on the moon over the next decade and beyond, serving as a stepping stone to eventual missions to Mars.

Minutes before liftoff, Canadian astronaut Hansen, strapped inside the gumdrop-shaped Orion capsule, told mission control in Houston, "This is Jeremy, we are going for all humanity."

Launch director Charlie Blackwell-Thompson said: "Reid, Victor, Christina and Jeremy, on this historic mission you take with you the heart of this Artemis team, the daring spirit of the American people and our partners across the globe, and the hopes and dreams of a new generation."

"Good luck, godspeed, Artemis II. Let’s go," she added.

A few hours after liftoff, the SLS rocket's upper stage successfully separated from the Lockheed Martin-made Orion capsule and its propulsion module. The crew then began work on an early test objective: manually steering the spacecraft around the upper stage to demonstrate its maneuverability, should its default automated controls ever fail.

launch was a major milestone more than a decade in the making for the U.S. space agency's SLS rocket, handing its principal contractors Boeing and Northrop Grumman long-sought validation that the launch system was ready to safely loft humans into space. NASA has increasingly relied on newer, cheaper rockets from Elon Musk's SpaceX and others to send astronauts to low-Earth orbit.

The success of the Artemis II flight so far provided positive talking points for a space agency that lost roughly 20% of its workforce under the Trump administration's federal downsising efforts last year.

"It's amazing," U.S. President Donald Trump said of the launch during a national address about the Iran war.

"They are on their way and God bless them, these are brave people. God bless those four unbelievable astronauts," he added.

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Furthest trip in history

The Artemis II mission will send its four-person crew some 252,000 miles (406,000 km) into space - the furthest humans have ever travelled.

The current record for the furthest spaceflight at roughly 248,000 miles is held by the three-man crew of the Apollo 13 lunar mission in 1970, which was beset by technical problems after an oxygen tank exploded and was unable to land on the moon as planned.

NASA launched its first Artemis mission without crew in 2022, sending the Orion spacecraft on a similar path around the moon and back.

Artemis II will pose a greater test of Orion as well as the SLS rocket, a programme partly known for its ballooning costs at an estimated $2 billion to $4 billion per launch.

Musk's SpaceX and Jeff Bezos' Blue Origin are racing to develop the landers that NASA will use to put its astronauts on the lunar surface.

• NASA plans multibillion-dollar moon base and nuclear spacecraft in programme expansion
• NASA's new discovery suggests Mars might have had flowing waters

Artemis III had been set to be the agency's first astronaut moon landing, but new NASA Administrator Jared Isaacman in February added an extra test mission before the landing.

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