SLS Core Stage Pathfinder Paves The Way for Mission SuccessNASA’s Space Launch System core stage pathfinder is a full-scale simulator similar in size, shape and weight to the massive SLS core stage.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/sls-core-stage-pathfinder-paves-way-mission-success/Copy URL to clipboard> DownloadShareSize1041x784px