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2. Unmanned underwater vehicle - Wikipedia

   en.wikipedia.org/wiki/Unmanned_underwater_vehicle

   When the Russian Institute of Marine Technology Problems introduced the Solar Autonomous underwater vehicle (SAUV), it was the start of longer term exploration missions without the need of retrieving the UUV for maintenance. [6] The introduction of solar panels on UUVs began with the SAUV in 1987 and was kept during the making of SAUV II. [6]

3. Greater Underwater Propulsion Power Program - Wikipedia

   en.wikipedia.org/wiki/Greater_Underwater...

   The batteries were of a new design. Compared with the original Sargo battery, the Guppy battery used a greater number of thinner plates that would generate higher current for a longer time. However, these batteries had a shorter life, 18 months versus the five years of the Sargo battery, and took longer to charge. They also required ventilation ...

4. Floating solar - Wikipedia

   en.wikipedia.org/wiki/Floating_solar

   The first floating solar installation was in Aichi, Japan, in 2007, built by the National Institute of Advanced Industrial Science and Technology. [9] [19] In May 2008, the Far Niente Winery in Oakville, California, installed 994 solar PV modules with a total capacity of 175 kW onto 130 pontoons and floating them on the winery's irrigation pond.

5. Live updates | Titan faced battery, electrical system issues ...

   www.aol.com/news/live-updates-search-missing...

   Since its first expedition to the Titanic shipwreck in the summer of 2021, the Titan’s crews encountered problems aboard the submersible, including issues with its electrical system and battery ...

6. Air-independent propulsion - Wikipedia

   en.wikipedia.org/wiki/Air-independent_propulsion

   [1] [2] Non-nuclear submarines running on battery power or AIP, on the other hand, can be virtually silent. While nuclear-powered designs still dominate in submergence times, speed, range and deep-ocean performance, small, high-tech non-nuclear attack submarines can be highly effective in coastal operations and pose a significant threat to less ...

7. Ghost Shark (submarine) - Wikipedia

   en.wikipedia.org/wiki/Ghost_Shark_(submarine)

   The Ghost Shark (also as Ghost Shark XL-AUV) is a series large autonomous underwater vehicles that is being jointly developed by Anduril Industries and the Department of Defence for the Royal Australian Navy. Three submarines have been ordered for Royal Australian Navy and one (Ghost Shark XL-AUV) for United States Navy. The first of the ...