Nautical

https://en.wikipedia.org/wiki/Nautical_mile

Org
http://www.nautinst.org/

Channel
http://nauticalchannel.com/

Arch
http://nauticalarch.org/

Society
http://www.nauticalarchaeologysociety.org/

Tube
https://www.youtube.com/results?search_query=Nautical

Slides
http://www.slideshare.net/search/slideshow?searchfrom=header&q=Nautical