World’s Largest Spacecraft Welding Tool Will Build Core Stage of NASA’s Space Launch SystemA 170-foot powerhouse -- the Vertical Assembly Center -- will soon be ready to build the core stage of NASA's Space Launch System.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/worlds-largest-spacecraft-welding-tool-will-build-core-stage-of-nasas-space-launch-system/Copy URL to clipboard> DownloadShareSize1041x695px