Eisenhower Highway Network

As unmanned aerial drones have become a critical part of modern warfare, the Pentagon is now looking to deploy autonomous robots underwater, patrolling the sea floor on what one top Navy official called an "Eisenhower highway network," complete with rest stops where the drones could recharge.

As unmanned aerial drones have become a critical part of modern warfare, the Pentagon is now looking to deploy autonomous robots underwater, patrolling the sea floor on what one top Navy official called an "Eisenhower highway network," complete with rest stops where the drones could recharge.