But can it avoid fishing vessels, cargo ships and passenger ships in the open seas? The video clip doesn't answer these questions.
http://www.popularmechanics.com/military/navy-ships/a20197/darpas-autonomous-sub-hunting-ship-takes-to-the-sea/ http://www.popularmechanics.com/military/navy-ships/a20197/darpas-autonomous-sub-hunting-ship-takes-to-the-sea/