Humanoid & robot atlas
Sentry
Photo: Woods Hole Oceanographic Institution (official image), from whoi.edu. Image policy
ResearchUnited StatesFully autonomous

Woods Hole Oceanographic Institution · underwater vehicle

Sentry

A 6,000 m-rated AUV that flies preplanned survey patterns near the seafloor by itself, carrying sonar and chemical sensors. It replaced ABE.

Price
—Research vehicle, not sold
Autonomy
DriverlessHow it runs
Driverless
In serviceSince 2006
Fleet
1Reported; details below
Speed
—Not published
Range
100 kmPer charge or tank
Compare

Why it matters

Mapped the underwater oil plume from the 2010 Deepwater Horizon spill.

Real-world use

First deep-sea trials off Bermuda in April 2006; made 19 dives into the Deepwater Horizon plume in 2010, taking about 5,800 mass-spectrometer readings.

Timeline

First shown
2006-04
Released
Not yet
Deep-sea trials off Bermuda

Maker

Woods Hole Oceanographic InstitutionCompany

How it drives

Fleet and city figures move fast; each carries its date and who reported it.

Driverless status
Driverless in service
Where it runs
Atlantic, Gulf of Mexico and other research areas
Driverless since
2006
Fleet
1
Rides, miles or loads
Mapped the Deepwater Horizon underwater hydrocarbon plume in June 2010 (Woods Hole Oceanographic Institution)

Public attention

How much public attention Sentry gets, from open data.

  • 251 views of its Wikipedia article in the last 90 days (Sentry (AUV))
  • No recent press stories listed yet

Measures how much people read and write about a robot, not how good it is. Measured 2026-10-13; same method for every robot. How it is measured

What’s inside

No component details published yet.

Movement
Other movement
How it runs
Fully autonomous. Does its job with nobody at the controls.

Lineage

Every Woods Hole Oceanographic Institution vehicle in order.

  1. ABE (Autonomous Benthic Explorer)ABE (Autonomous Benthic Explorer)1994Retired
  2. SentrySentry2006Research
  3. NereusNereus2009Retired

Made, sold and where

No production or sales figures published yet.

Price
Not publishedResearch vehicle, not sold
How to get one
No official buying page found

Sources

Figures come from press coverage. Every link below backs something on this page.

Woods Hole Oceanographic Institution Ocean Robots: Sentry

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