U.S. defence giant Northrop Grumman has tested an underwater drone that looks like a monster manta ray. The drone is capable of carrying multiple payloads of various sizes, and the machine is autonomous, and war-ready. Gravitas brings you the details of this monster spy drone. #us #defence #gravitas About Channel: WION The World is One News examines global issues with in-depth analysis. We provide much more than the news of the day. Our aim is to empower people to explore their world. With our Global headquarters in New Delhi, we bring you news on the hour, by the hour. We deliver information that is not biased. We are journalists who are neutral to the core and non-partisan when it comes to world politics. People are tired of biased reportage and we stand for a globalized united world. So for us, the World is truly One. Please keep discussions on this channel clean and respectful and refrain from using racist or sexist slurs and personal insults. Subscribe to our channel at https://goo.gl/JfY3NI Check out our website: http://www.wionews.com/ Join our WhatsApp Channel: https://bit.ly/455YOQ0 Connect with us on our social media handles: Facebook: https://www.facebook.com/WIONews Twitter: https://twitter.com/WIONews Follow us on Google News for the latest updates Zee News:- https://bit.ly/2Ac5G60 Zee Business:- https://bit.ly/36vI2xa DNA India:- https://bit.ly/2ZDuLRY WION: https://bit.ly/3gnDb5J Zee News Apps: https://bit.ly/ZeeNewsApps