https://joy.videvo.net/videvo_files/video/free/2012-07/large_watermarked/31005-4-Stock%20Video_preview.mp4 Astronaut Descending Ladder of LEM An astronaut descending the ladder of the Lunar Excursion Module (LEM) to walk on the surface of the moon. 1080papolloastronautexcursion moduleexplorationexploreLEMlunarmissionmodulemoonspacespacecraftsurface