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Amazon.com: Estes Boosted Bertha Flying Model Rocket Kit| Multi-Stage Booster Rocket | Advanced Level Build | Soarsup to 1000' : Arts, Crafts & Sewing
Mack Crawford on Twitter: "Launch of an SLS Block 2 Crew with Pyrios advanced liquid boosters. SLS Block 2 in reality will now use BOLE boosters, a modernized composite-cased RSRM derivative https://t.co/ld7fnZZ9wp" /
![SLS requires Advanced Boosters by flight nine due to lack of Shuttle heritage components - NASASpaceFlight.com SLS requires Advanced Boosters by flight nine due to lack of Shuttle heritage components - NASASpaceFlight.com](https://www.nasaspaceflight.com/wp-content/uploads/2018/05/2018-05-08-201622.jpg)
SLS requires Advanced Boosters by flight nine due to lack of Shuttle heritage components - NASASpaceFlight.com
![SLS requires Advanced Boosters by flight nine due to lack of Shuttle heritage components - NASASpaceFlight.com SLS requires Advanced Boosters by flight nine due to lack of Shuttle heritage components - NASASpaceFlight.com](https://www.nasaspaceflight.com/wp-content/uploads/2018/05/2018-05-08-182957.jpg)
SLS requires Advanced Boosters by flight nine due to lack of Shuttle heritage components - NASASpaceFlight.com
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