The U.S. Navy designed a ship to look like a fish. It is 5 ft. long and 100 lbs. the U.S. Navy has based it off of a blue tune and suspects that it can infiltrate sonar technology. It can either be moved by joystick or pre-programmed. The big goal is to preform 3 major task. Infiltrate hostile water, Search for under water mines, and inspect ships for damage. The main idea of it is to make water task easier for soldiers. It is still in development but is predicted to be a success.