The DARPA drone is not the first. The island state of Singapore developed and built MARSEC naval drones. These 30-ton drones are 16.9 meters long with a top speed of nearly 50 kilometers an hour and ...

The navy has been slow to adopt innovations because the U.S. Navy is the largest in the world and the American fleet is expensive to maintain and sustain. In the U.S. Navy, replacing older ships ...