A robot will be used to monitor and patrol marine sanctuaries and monuments in American Samoa and Hawaii.
The US National Ocean and Atmospheric Administration has announced a multi-year partnership with Liquid Robotics, a company owned by Boeing.
The NOAA said the robot, called the ocean glider, would conduct long-term environmental monitoring and surveillance of the underwater ecosystems.
It said it would help address critical long-term monitoring and data collection gaps that are not economically feasible with traditional research assets.