LEMS testing (IMAGE) University of Maryland Caption Team members during final preparation of the LEMS Engineering Units for thermal-vacuum testing. During this test, the LEMS prototype was subjected to the vacuum and harsh thermal conditions that mimic the lunar surface to demonstrate its resilience and ability to sustain itself. Credit NASA MSFC Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms. License CC BY-NC-SA Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.