Eric Walker added NASA Is Launching a Submarine to Hunt For Life in The Mysterious Depths of The Sea and New Deep-Sea Robot Will Help Us Explore Oceans Throughout the Solar System - YouTube to Orpheus (drone submarine), and added Orpheus (drone submarine) to Ships, boats, submersibles and submarines
Eric Walker added a number of topics and a number of links to Ships, boats, submersibles and submarines, and added Ships, boats, submersibles and submarines to Transportation and locomotion and Devices, machines, vehicles and robots