Putting a Ring on It for the First Flight of SLSAt NASA's Michoud Assembly Facility in New Orleans, all of the flight rings for the Space Launch System's first mission, EM-1, have been welded.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/putting-ring-it-first-flight-of-sls/Copy URL to clipboard> DownloadShareSize1041x695px