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![deltaIV9250 Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1693021331665584129.png) Delta9250 [@deltaIV9250](/creator/twitter/deltaIV9250) on x 5007 followers
Created: 2025-07-25 22:27:39 UTC

SLS in early 2011

Interestingly has a “Block 0” with X RS-25s, a shorter tank, and X segment boosters. Ok that’s just Jupiter DIRECT lol

Block I+ cores are mostly the same as out world’s but with a fifth RS-25. Block II adds a RS-25 vac upper stage. Block III adds BOLE boosters

![](https://pbs.twimg.com/media/GwvJfEmbgAM7Iam.jpg)

XXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1948872804876554670/c:line.svg)

**Related Topics**
[cores](/topic/cores)

[Post Link](https://x.com/deltaIV9250/status/1948872804876554670)