NASA's Artemis II Crewed Moon Mission: From Supercomputers to Wind Tunnels
NASA engineers used cutting-edge supercomputers and wind tunnel testing to improve the Space Launch System (SLS) rocket for Artemis II, the first crewed mission around the Moon. Supercomputers and wind tunnels converge at NASA's Ames Research Center—explore how this state-of-the-art capability delivers smarter, more cost-effective science.
“This new technique lets us see wind tunnel data in much finer detail than ever before. With that extra clarity, engineers can create more accurate models of how vehicles respond to stress, helping design stronger, safer, and more efficient structures,” said Thomas Steva, lead engineer, SLS sub-division in the Aerodynamics Branch at NASA’s Marshall Space Flight Center.
Video Description: This supercomputer simulation peers down at a close-up of the SLS rocket during ascent. The force of friction is represented in greens, yellows, and blues. A six-foot-long strake flanking the booster’s forward connection points on the SLS intertank smooths vibrations induced by airflow, represented by purples, yellows, and reds. The white streams represent a contour plot of density magnitude, highlighting the change of density in the air.
The Artemis II test flight will send NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, and Canadian Space Agency (CSA) astronaut Jeremy Hansen around the Moon and return them safely back home.
Artemis II will launch no earlier than April 2026.
Release Date: Sept. 18, 2025
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