There is also one in the hub itself. I was able to find 7, but there may be more. A couple of these are also repeated throughout the ship.

https://imgur.com/9qbbRdx
https://imgur.com/eeHBdpg
https://imgur.com/L1VNLDI
https://imgur.com/uAB41XU
https://imgur.com/rNj1ydE
https://imgur.com/xkQ0UoW
https://imgur.com/QThcPYC

I actually mentioned one of these in an older thread, but I made a poor decision in terms of titling it, so the actual problem was mostly missed.