Artemis Scientist, Trevor Graff, performs instrument deployment exercises with a medium fidelity mock up of the Lunar Environment Monitoring Station (LEMS) in the lunar simulant bin at the Florida Space Institute Exolith Lab, Orlando, Fl., Aug 6, 2025. 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/Katie Mellos.