Just another day at work building America's new rocket! NASA’s Space Launch System will be the most powerful rocket we’ve ever built. When completed, SLS will enable astronauts to begin their journey to explore destinations far into the solar system... More: nasa.gov/SLS Credit: NASA #nasa #sls #nasasls #slsfiredup #animation #techtuesday #nasatech #engineering #rocketscience nasa_marshall nasa_sls