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Northrop Grumman Manta Ray uncrewed underwater vehicle at sea
Image: Northrop Grumman ↗
ROBOT / DEFENSE UNDERWATER ROBOT — LONG-DURATION UUV DEMONSTRATOR

Manta Ray

Manta Ray is a full-scale uncrewed underwater demonstrator developed for long-duration, long-range autonomous missions with modular payloads and low-power seabed hibernation.

MakerNorthrop Grumman IntroducedNot disclosed StatusDemonstrator
Official product page ↗
Manufacturer Claim Last updated: Aug 21, 2026 Supporting source ↗

Field snapshot

ManufacturerNorthrop Grumman
Categorydefense underwater robot — long-duration UUV demonstrator
Operating classificationMilitary
国・地域United States
IntroducedYear not publicly disclosed
Program statusDemonstrator

Published specifications

Values retain their published units, evidence basis and observation date. Unlike specifications are not silently normalized.

SpecificationPublished valueBasisAs of / source
Program Typefull-scale uncrewed underwater demonstratorManufacturer ClaimObservation date not published
出所 ↗

Capabilities and applications

long-duration underwater autonomy

low-power hibernation

modular payload sections

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