Naoma McCall (Left), Science Co-Investigator and deployment lead and Mechanical Engineer Brie Ludwig inspect the Lunar Environment Monitoring Station (LEMS) instrument in the cleanroom at Goddard Space Flight Center in Greenbelt Md. on February 5th, 2026. LEMS is a compact, autonomous, and self-sustaining seismometer suite designed to carry out continuous, long-term, monitoring of the lunar seismic environment at the South Polar region. Photo Credit: NASA/Denny Henry

Mechanical Engineer Brie Ludwig inspects the Lunar Environment Monitoring Station (LEMS) instrument in preparation for testing in a thermal vacuum chamber at Goddard Space Flight Center in Greenbelt Md. on March 31, 2026. LEMS is a compact, autonomous, and self-sustaining seismometer suite designed to carry out continuous, long-term, monitoring of the lunar seismic environment at the South Polar region. Photo Credit: NASA/Denny Henry