The Cryogenics Pods seem like a big ol' [Chekov's Gun](https://en.wikipedia.org/wiki/Chekov%27s_gun) on both the [SSV Normandy](http://masseffect.wikia.com/wiki/SSV_Normandy) and the [Normandy SR-2](http://masseffect.wikia.com/wiki/Normandy_SR-2). However, I did not see them being used in any of the Trilogy games nor did I notice any entries in the Codex.

In fact, there's little to no mention of them even in the [Mass Effect Wiki](http://masseffect.wikia.com/) - they're not at all noted in the SSV Normandy article, and only called out as a reference point for getting to the Main Battery in the Normandy SR-2 article.

Were they just there to add fluff, or is there some actual use for or history behind them?