>> Or if you are walking along the beach somewhere is there just some cable running out of the ocean along the beach to some building near the shore?
It is generally buried either under the sand or inside concrete. But yes, there are places where you can get very close to these things if you know what you are looking at.
It is generally buried either under the sand or inside concrete. But yes, there are places where you can get very close to these things if you know what you are looking at.
https://en.wikipedia.org/wiki/Cable_landing_point
Here is a pic of the landing for the US base in Cuba.
https://www.dvidshub.net/news/186633/uct-1-unit-choice-gtmo-...