Inside Artemis II: NASA's First Crewed Mission Back to the Moon

Why It Matters

By confirming Orion and SLS performance with a crew, Artemis II de‑risks the next steps toward a permanent lunar outpost, shaping the future of U.S. space policy and commercial ventures.

Key Takeaways

• Artemis II will send four astronauts around the Moon.
• Mission tests Orion life support, communications, navigation systems.
• Flight uses Space Launch System, most powerful rocket since Saturn V.
• Crew will perform free-return trajectory, looping far side.
• Artemis II paves way for Artemis IV lunar base at south pole.

Summary

NASA’s Artemis II mission marks the first crewed lunar flyby in over five decades, sending astronauts Reid Wiseman, Victor Glover, Christina Koch and Canada’s Jeremy Hansen aboard the Orion capsule atop the Space Launch System (SLS). The ten‑day flight will launch from historic Launch Complex 39B at Kennedy Space Center, retracing the path of Apollo 10 and other pioneering missions.

The flight serves as a critical proving run, testing Orion’s life‑support, communications, environmental controls, food warmers, waste management and deep‑space navigation. After a day in Earth orbit, the crew will fire Orion’s engine for a trans‑lunar injection, placing the spacecraft on a free‑return trajectory that carries it up to 4,700 miles beyond the Moon’s far side—the farthest humans have traveled from Earth.

NASA highlights the mission’s heritage, noting that Launch Complex 39B launched Apollo 10, Skylab and the Apollo‑Soyuz test flight. During the lunar flyby, astronauts will capture high‑resolution images of the far side, evaluate radiation‑shelter concepts, and practice proximity operations with the SLS upper stage in preparation for future docking on Artemis III and beyond.

Artemis II is the bridge to a sustainable lunar presence, validating the hardware and operational procedures needed for Artemis IV’s planned landing at the Moon’s south pole and the eventual construction of a permanent base. Success will reinforce U.S. leadership in deep‑space exploration and open commercial opportunities for lunar infrastructure and science.

Original Description

Humans are flying around the moon again for the first time in more than 50 years. Artemis II is NASA's first crewed mission of the Artemis program, marking a critical step toward returning astronauts to the lunar surface.

In this episode of "Inside Artemis II," we break down what the mission is designed to accomplish.

Credit: Space.com | Footage courtesy: NASA, Canadian Space Agency (CSA), NASA's Scientific Visualization Studio, Ernie Wright

Produced and Edited by Steve Spaleta and Tariq Malik

Special Thanks to NASA’s Kennedy Space Center Visitor Complex

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