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Manta Ray: Maryland-Built, California-Tested, Ocean Ready Northrop Grumman 0:22 1 month ago 16 726 Скачать Далее
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Northrop Grumman Unveils The 'Manta Ray', Their Newest Underwater Drone Prototype DEFENCE CENTRAL 0:31 3 months ago 9 072 Скачать Далее
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