SLS Block 1 | Artemis III
National Aeronautics and Space Administration · Kennedy Space Center, FL, USA
JUN 2027
Rocket file · LV-143
Space Launch System Block 1
National Aeronautics and Space Administration · Space Launch System · IN SERVICE
Photograph: NASA/Joel Kowsky · NASA Image and Media Guidelines · licence
Space Launch System Block 1 is an expendable launch vehicle built by National Aeronautics and Space Administration. It stands 98.0 m tall, lifts 95,000 kg to low Earth orbit, first flew on 16 November 2022. It has flown 2 times with 2 successes, a success rate of 100.0%. Its next flight is SLS Block 1 | Artemis III for National Aeronautics and Space Administration, no earlier than June 2027.
Specification
Vehicle spec sheet
ON FILE
Height98.0 m
Diameter8.4 m
Payload to LEO95,000 kg
Payload to GTONOT ON FILE
Maiden flight16 November 2022
ReusableNo, expendable
Launch cost$2000M
StatusIN SERVICE
As listed by Launch Library 2. The cost is Launch Library’s figure, not a quoted price. Figures for rockets outside the sixty most-flown were last read on 2026-11-05.
Flight record
Reliability
ON RECORD
Total flights2
Successful2
Failed0
Success rate100.0%
Landing attempts0
Landing successN/A
Scheduled1
VariantBlock 1
About Space Launch System (SLS)
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.
Upcoming flights
Space Launch System Block 1 in the archive
From NASA's public image library and Wikimedia Commons. Each photo shows the credit its licence asks for and links back to where it came from.
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Common questions
- How many times has Space Launch System Block 1 flown?
- 2 times, with 2 successes and 0 failures. Another 1 flights are scheduled.
- What is Space Launch System Block 1's success rate?
- 100.0%. That's 2 successful flights out of 2 attempts.
- When is the next Space Launch System Block 1 launch?
- SLS Block 1 | Artemis III, flown by National Aeronautics and Space Administration. It's set for no earlier than June 2027 from Launch Complex 39B.
- How much can Space Launch System Block 1 lift to orbit?
- Launch Library 2 lists Space Launch System Block 1 at 95,000 kg to low Earth orbit.
- Is Space Launch System Block 1 reusable?
- No. Launch Library 2 lists Space Launch System Block 1 as expendable, so no stage is recovered to fly again.