Space Launch System Block 1B – National Aeronautics and Space Administration
- Family: Space Launch System
- Length: 111 m
- Diameter: 8.4 m
- Launch Mass: 2948 T
- Low Earth Orbit Capacity: 105000 kg
The Space Launch System Block 1B, manufactured by National Aeronautics and Space Administration established in 1958, undertook its inaugural launch on an unknown date. Notably, Space Launch System Block 1B has 0 successful launches and 0 failed attempts, with a cumulative tally of 0 launches, currently with 4 pending launches in the pipeline.
The Space Launch System (SLS) is an American Space Shuttle-derived heavy expendable launch vehicle. It is part of NASA’s deep space exploration plans including as the main launch vehicle of the Artemis program. SLS follows the cancellation of the Constellation program, and is to replace the retired Space Shuttle.