Flight hardware! Major assembly is complete on the interim cryogenic propulsion stage (ICPS), which will give NASA’s Orion Spacecraft one powerful push on our first integrated exploration mission in 2018. Details: go.nasa.gov/2hdZgI5 Credit: United Launch Alliance #NASA #SLS #SpaceLaunchSystem #UnitedLaunchAlliance #engineering #rocketscience #technologytuesday #journeytomars