The VWC is a friction-stir-weld tool for wet and dry structures on the Space Launch System (SLS) core stage. It will weld barrel panels together to produce whole barrels for the two pressurized tanks, the intertank, the forward skirt and the aft engine section.
More Info: https://www.nasa.gov/exploration/systems/sls/
Nasa's Pegasus barge that will carry fuel tanks for the Space Launch System to other NASA facilities for testing and launches. More Info: NASA Infographic: https://www.nasa.gov/exploration/systems/sls/multimedia/barge-pegasus-infographic Pegasus Barge Fact Sheet: https://www.nasa.gov/sites/default/files/atoms/files/sls_pegasus_fact_sheet_508_final_04212017.pdf