NASA Artemis on X: "Piece by piece! The left forward segment is the latest piece to be stacked for the Artemis III boosters, leaving just one more to go before all 10 are together. The twin SLS solid rocket boosters provide more than 75% of the thrust at liftoff

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NASA Artemis
@NASAArtemis
Piece by piece! The left forward segment is the latest piece to be stacked for the Artemis III boosters, leaving just one more to go before all 10 are together. The twin SLS solid rocket boosters provide more than 75% of the thrust at liftoff—talk about a powerful pair! 💥
NASA's Kennedy Space Center
9:13 PM · Sep 21, 2026
67.9K
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36
Mission Status🚀🛰️🪐💫⭐
@ARealRocketMan
Sep 21
The total liftoff thrust for both SRBs is about 8.8 million pounds. nasa.gov/reference/spac…
kerry barlow
@yrrekwolrab
Sep 22
Amazing what can be done in a slow time with leftover used parts.
Interesting Radar
@InterestingRadR
Sep 21
One booster segment left. Nice to see Artemis III hardware coming together

Piece by piece! The left forward segment is the latest piece to be stacked for the Artemis III boosters, leaving just one more to go before all 10 are together. The twin SLS solid rocket boosters provide more than 75% of the thrust at liftoff—talk about a powerful pair! 💥

A straight-on shot of the twin SLS solid rocket boosters, surrounded by platforms and walkways that allow technicians to access them. The booster segments are white with black markings on it. The boosters are shaped like vertical tubes. Credit: NASA/Frank Michaux

NASA's Kennedy Space Center

9:13 PM · Sep 21, 2026

67.9K

Views

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NASA Artemis on X: "Piece by piece! The left forward segment is the latest piece to be stacked for the Artemis III boosters, leaving just one more to go before all 10 are together. The twin SLS solid rocket boosters provide more than 75% of the thrust at liftoff—talk about a powerful pair! 💥"