Exploration Upper Stage weld development continues NASA and Boeing continue to work on the development of the first SLS upgrade, called Block 1B. The Block 1 vehicle, using a modified Delta 4 ...

The Office of Inspector General (OIG) has published an extensive report on NASA’s use of two Mobile Launchers for its Space Launch System (SLS). With the completed Mobile Launcher -1 (ML-1) way ...

The first three Block 1 SLS systems will put US crews on ... for the second mission in the Artemis program. But NASA decided to switch Block 1B to the fourth mission – more than doubling the ...

Besides lack of employee training, it was found that the Exploration Upper Stage was scheduled to be delivered to NASA back in early 2021. It is now projected that the development of SLS Block 1B will ...

Per a NASA inspector general investigation, Boeing’s work on the SLS Block 1B has contributed to $700 million in cost overruns on the program. NASA, though, described the rocket as “essential ...

NASA spent the last two weeks hoisting a 103-ton component onto a simulator and installing it to help prepare for the next ...

Work continues on the Neil Armstrong Operations and Checkout Building where the Orion spacecraft has been mated to the European Service Module.

The report projects that the SLS Block 1B costs will reach approximately $5.7 billion by its scheduled 2028 launch, exceeding NASA’s 2023 Agency Baseline Commitment by $700 million. The ...