A water system activation at the Thad Cochran Test Stand (B-2) on Jan. 30 at NASA Stennis helped capture critical data to support testing a new SLS (Space Launch System) stage expected to fly on the Artemis IV mission. The activation milestone tested new cooling systems that were added to the stand for the future Green Run test series of NASA’s exploration upper stage. Learn more: https://www.nasa.gov/centers-and-facilities/stennis/preparation-for-artemis-iv-testing/ | NASA's John C. Stennis Spa