Night vision submarine periscope.

Night vision submarine periscope.

SSN-591 Shark, full speed surface run, 1961

SSN-591 Shark, full speed surface run, 1961

Submarine missiles never get wet…

…they travel in a bubble of nitrogen on the way to the surface. Watch this:

[skip to 55 seconds in]

Thanks Reddit for the find. Read the comments thread for some interesting insight.

- Mike