After a total of three Block 1 launches, the Block 1B SLS upgrade with EUS would first launch on Artemis 4; the main difference from Block 1 to Block 1B is a new, larger upper stage developed in ...

Release 15 will support Artemis 2 and future Block 1 missions and be followed by Release 16, which will run the evolved computer architecture for the Exploration Upper Stage and the SLS Block 1B ...

Block 1B is designed to increase the amount of cargo SLS can carry to the moon. The upgraded version is key to NASA's long-term lunar plans and will be used for Artemis 4, currently scheduled to ...

But the Artemis effort is already overbudget with ... It is now projected that the development of SLS Block 1B will not be complete until 2027 at the earliest, anticipating keeping Boeing's ...

For example, for the Artemis IV mission, NASA plans to use the SLS Block 1B configuration, which is 366 feet tall compared to the 322-foot Block 1 configuration being used for the Artemis II mission.

SLS will launch NASA's Artemis 2 mission to fly four astronauts aboard an Orion spacecraft around the moon and back sometime next year. "Technicians joined the core stage March 23 with the stacked ...

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 ...