A research vessel at twilight with a robotic arm lowering a remotely operated vehicle (ROV) into the ocean. A researcher in a life jacket is on the deck helping with the ROV tether.
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ROV Deep Discoverer
Remotely operated vehicle Deep Discoverer is recovered at the end of a dive during the 2026 Cook Islands ROV Exploration cruise.
Credit

NOAA Ocean Exploration, 2026 Cook Islands ROV Exploration.