[GUEST ACCESS MODE: Data is scrambled or limited to provide examples. Make requests using your API key to unlock full data. Check https://lunarcrush.ai/auth for authentication information.]

![USN_Submariner Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::372449148.png) 🇺🇸𝗢𝗹𝗱 𝗦𝘂𝗯𝗺𝗮𝗿𝗶𝗻𝗲𝗿⚓️ [@USN_Submariner](/creator/twitter/USN_Submariner) on x 37.8K followers
Created: 2025-07-21 14:49:59 UTC

XX years ago today America's only submarine built with a liquid metal fast reactor, USS Seawolf (SSN 575), was launched at EB in Groton.
Although her S2G LMFR was replaced with a S2Wa PWR just a few years later, XXX went on to do many things that never happened.

![](https://pbs.twimg.com/media/GwY3cQxWEAA0XGa.png)

XXXXXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1947308079013605788/c:line.svg)

**Related Topics**
[happened](/topic/happened)
[$4732t](/topic/$4732t)
[liquid](/topic/liquid)

[Post Link](https://x.com/USN_Submariner/status/1947308079013605788)