AN/WLD-1 Remote Minehunting System
The AN/WLD-1 Remote Minehunting System (RMS), produced by Lockheed Martin, is a remotely controlled minesweeping system to be operated by surface warships. It consists of an unmanned semisubmersible vehicle, which tows a sonar array, and control infrastructure aboard the parent ship.
Source: Wikipedia — AN/WLD-1 Remote Minehunting System (CC BY-SA 4.0)