Engineering Technician Eric Norris, and Mechanical Engineer Mitchell Hamann guide the Lunar Environment Monitoring Station (LEMS) instrument in to the Thermal Vacuum Chamber preparation for testing at Goddard Space Flight Center, Greenbelt Md., March 30, 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