Quote:
Originally posted by OffroadX
Um, what's a "night op" on a submarine?
I do seem to recall something about concern that light from the interior could be seen via the periscope on the surface. Does that have anything to do with it?
Brent
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That’s half of it. The other is being able to see contacts at night without having your eyes adjust. In fact, curtains cover the area around the periscopes so it is completely dark.