The US military's massive unmanned 'Manta Ray' submarine cleared its first sea test
A US military submarine that looks like a giant metal manta ray and is currently under development passed its first major ...
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The Manta Ray: How America's Futuristic Underwater Drone will Change Warfare.
Explore the world’s oceans like never before with the Manta Ray, DARPA's cutting-edge underwater drone. Discover its innovative design, development, and potential to revolutionize naval warfare.
BBC4y
Giant manta ray
The largest ray in the world (up to 8m wide!), the giant manta is a graceful and gentle creature. They can make migrations across the oceans, finding their way by following topographical maps ...
The New York Times21d
Scientists Finally Make Heads of Giant Stingray Tails
The long structures seen in manta rays and their relatives function ... 3-D scans of the tail of the cownose ray revealed holes that were linked to the fish’s lateral line canal, a system ...