Broken into multiple segments over more than a year’s time, the review certified that the SLS Block 1 Crew vehicle meets the design requirements for its first launch and that the complete ...

NASA has started updating plans and schedules for additional SLS Block 1 launches in the early 2020s after Washington added federal budget money for a second Mobile Launcher (ML) platform and ...

This is a high-stakes program. The first three Block 1 SLS systems will put US crews on the Moon for the first time in half a century and, if all goes well, enable creation of a base on our sole ...

and torqued the core stage intertank test article for SLS rocket's Block 1 configuration. Leidos, the prime contractor for the universal stage adapter, manufactured the full-scale prototype at its ...