Navy Tests Thermal Camera System to Detect Overboard Sailors
The Naval Surface Warfare Center's prototype uses thermal imaging and video analytics to spot people falling from ships.
Updated on Nov. 4, 2026 in Emergency Response
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The Navy's Naval Surface Warfare Center, Port Hueneme Division, conducted an initial demonstration of its Man Overboard Detection System on Aug. 14 aboard the Self Defense Test Ship. The prototype uses thermal cameras and video analytics to identify possible overboard events before alerting the crew.
Why it matters
A large vessel cannot realistically keep every section of railing under constant human observation, so automated detection could shorten the time before a person in the water is noticed. The program's initial funding has ended, leaving the system's future development uncertain.
The demonstration used four thermal cameras installed in two pedestals roughly 200 feet apart, and the cameras and software detected a simulated overboard dummy weighing 35 pounds and standing 6 feet tall. The setup did not include the bridge alarm and covered only part of the vessel's perimeter, so full operational reliability remains unverified.
The players
Naval Surface Warfare Center, Port Hueneme Division
The Navy research and engineering division in Port Hueneme, California, that developed the Man Overboard Detection System prototype.
Naval Innovative Science and Engineering program
A Navy program that provided the initial funding for the system, which has since ended.
The details
Engineers simulated overboard emergencies by repeatedly dropping OSCAR, a vinyl rescue dummy, from the ship while team members monitored footage inside the vessel. The intended operational system would immediately notify the bridge once an event is detected, and the team wants to test it aboard an operational guided missile destroyer in San Diego.
Timeline
Aug. 14: Navy conducted the initial demonstration aboard the Self Defense Test Ship, the ex-Paul F. Foster.
2024: The Journal of Marine Science and Engineering published a review of 51 papers on related detection work.
Seasonal Patterns
The prototype is an emergency-response tool for shipboard safety, and its path depends on whether Navy research programs like the Naval Innovative Science and Engineering program can continue funding it after initial support ended. Its performance, if confirmed aboard an operational destroyer, would be judged against the same single-ship detection goals the program was designed to advance.
Sailors and crew aboard Navy vessels are the people most directly affected, since automated detection would alert the bridge faster than current observation allows. No public action is required, and the system remains a prototype that has not been deployed.
The takeaway
Automated thermal detection is being tested as a way to cover the large perimeter of naval ships that human watchstanders cannot monitor continuously. Whether it moves from a partial demonstration to full operational use will depend on securing new funding and testing on an active destroyer.
Further reading
Explore more on Emergency Response efforts and how agencies prepare for maritime incidents across the country.
Source note: This article includes information reported by Objectivist.
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