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 ...

The first major cargo-only flight is being focused on the Europa Clipper mission now set to ride on a Block 1 SLS, a variant which may now fly four times – instead of just once – before the ...

The report, released by NASA's internal watchdog on Aug. 8, focuses on the gigantic Space Launch System (SLS) Block 1B and its Exploration Upper Stage (EUS). Block 1B is designed to increase the ...