In a future conflict, U.S. forces might be denied the use of traditional tactical networks by the enemy. DARPA has come up with a plan to keep communications in contested environments alive by using an an undersea optical fiber backbone.
![C1cXRwdUUAADY5V[1]](http://alert5.com/wp-content/uploads/2017/01/C1cXRwdUUAADY5V1-500x262.jpg)
Graphic: DARPA
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