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Northrop's colossal Manta Ray underwater drone passes at-sea tests
Northrop Grumman's massive Manta Ray underwater test bed completed at ... Northrop last month teased its prototype during the Sea-Air-Space naval conference in Maryland. The image the company ...
Manta Ray submarine drone seemingly spotted on Google Maps at California naval base
"Our successful, full-scale Manta Ray testing validates the vehicle’s ... global rapid deployment can be done without ...