Quote:
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Originally Posted by Gairith
I heard on the military channel that newer subs run red in the control room at night to help the men keep adjusted to day/night cycles as they are under water for weeks on end. In WWII I believe it was only used to adjust your eyes to the dark so you could pop out on the bridge and see right away.
*Educated guess, not necessarily accurate*
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Thats right, but he asked about the
blue lights he have seen!