Underwater Drones Make a Splash

Hed: Drones Make a Splash

Title tag: The Next Generation of Drone Technology is All Wet: Remotely-Operated Underwater Vehicles.

tease: The next wave of drones is making a splash. A growing number of companies are making remotely-operated underwater vehicles, or ROVS, for everything from monitoring fish farms to finding buried treasure. WSJ's Will Connors reports