The SLS Block 1B Crew and Cargo configurations (third and fourth from left) will fly with the in-house Exploration Upper Stage beginning with Artemis 4. The SLS Block 1 Cargo configuration was in ...

SLS will debut with an uncrewed Orion spacecraft on EM-1 in its Block 1 configuration, which has an ICPS upper stage stacked on top of its foundational elements of two five-segment Solid Rocket ...

NASA originally expected to fly the Block 1 version of the SLS only once before moving to the more powerful Block 1B version of the rocket. The Block 1 uses an upper stage known as the Interim ...

The SLS core stage was moved to Stennis Space Center in early 2020 to undergo end-to-end testing. ... A diagram shows the initial Block 1 configuration for SLS. (Image credit: NASA) ...

The design of the Block 1 or the SLS rocket, was released on Twitter, which shows the positions for the booster, stage, engine, and other parts. The NASA SLS Twitter page also provided a link to ...

This uncrewed flight, Exploration Mission 1, or EM-1, would use the SLS Block 1 Crew rocket. A later flight, EM-2, would fly a crewed Orion capsule around the moon in 2022.

The EUS will also bring the SLS Block 1B Crew vehicle to a total of two feet (0.6 meters) taller than the tallest super-heavy booster rocket ever launched, the iconic Saturn V from the Apollo Era.

That's when NASA estimates it would have burned through the stock of Space Shuttle-era steel cases it uses in the current generation SLS. An important element of the Block 2 core stage will be ...

Hambleton told Ars, "NASA has placed orders for three ICPS’ to use on SLS Block 1 for the first three flights, which currently include the first test flight of SLS and Orion (Exploration Mission ...

Five decades after the final flight of NASA's legendary Saturn 5 moon rocket, the U.S. space agency is poised to launch its most powerful rocket for a critical, long-overdue test flight, sending ...

The first of three configurations of NASA's SLS, known as Block 1, has completed and passed the final Critical Design Review. This is the final review focusing on the concept and design of NASA's ...

The 212-foot-long (65 meters) SLS core stage rolled out of NASA's Michoud Assembly Facility in New Orleans Wednesday (Jan. 8) and was loaded onto a barge, agency officials announced.