HEADLINES & GLOBAL NEWS By Feb 18, 2021 07:23 AM EST Autonomous submarines made with next-generation harvesting systems for energy might be on the horizon. These systems will be added to robotic machines that might be a reality as the technology gets better. Sweet concept art. This will be interesting to watch. That is, if they’ll let us. �� https://t.co/RwWCMmPW9J— Strikepod Systems (@Strikepod) February 5, 2021 One of the trends that the US Navy is pursuing is unmanned underwater vehicles for different applications. Aside from unmanned surface vehicles, there are more developments exclusive to the US Navy. Manta Ray needs little amount of fuel