Patrick Ryan, a technician for the Coast Guard Research and Development Center, controls an unmanned underwater system from a Coast Guard Cutter Healy small boat in the Chukchi Sea, July 29, 2017. The UUS is a small-unmanned platform that is capable of executing a pre-programmed mission underwater and then return to the surface for recovery of the vehicle and its recorded data. U.S. Coast Guard video by Petty Officer 2nd Class Meredith Manning