Russian Submarine Forces 2018
Russia maintains one of the largest and most powerful submarine fleets on the planet. This article summarizes current capabilities and main types....
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DRASS_MTRB-MRSV
Drass midget submarines support vessels 
This important aspect of midget submarine operations is rarely reported on...
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Arctic_Gambit_arrived
Larry Bond's Arctic Gambit 
My hardback copy of Larry Bond’s latest Jerry Mitchell submarine novel, Arctic Gambit, has arrived. Expect a book review when I’ve read it cover to cover. ...
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Underwater_Defence_Security_2019
Underwater Defence & Security conference dates 2019
The NATO centric Underwater Defence & Security 2019 (Website) will be held at the Ageas Hilton, Southampton, UK on 5th - 7th March 2019... Read More >....
NarcoSub_07-2018
Narco Sub incidents 2018 #2
This article is part of a series documenting narcosub incidents and making observations of design trends.... Read More
USN_Submarine_Concept
Unbuilt US Navy next generation spy submarine An unlabeled photograph halfway through an essay on the US Navy submarine force hints at a previously unreported submarine design optimized for Seabed Warfare. This article reveals more about the design. ... Read More >....
Ru_Seabed_Warfare_submarines_poster
Russia's fleet of Seabed Warfare submarines New poster shows current fleet of Special Mission submarines based at Olenya Guba (Deer Bay) in the Arctic Circle.... Read More >....
New_Ortega_SDV_revealed
Updated.
Revealed: Latest Dutch Special Forces Swimmer Delivery Vehicles
Previously unpublished blurry mobile phone photographs of an unusual boat seen on a Dutch lake showed the latest Ortega Mk.1D 4-person Swimmer Delivery Vehicle (SDV). The craft was undergoing manufacturer’s trials prior to delivery to a defense customer. Covert Shores can reveal further details and high-resolution photos.
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Yantar_News
British deep-sea robot seen on Russian GUGI ship passing UK When the Russian ‘spy ship’ Yantar passed British waters this week she was shadowed by Royal Navy destroyer HMS Diamond (D-34). The escort made headlines with images posted on major media and social media. Yantar is a controversial ship. One interesting detail is that the British supplied Anglo-Swedish Tiger remote operated vehicle (ROV) was lashed to the helipad. Read More >....
Ru_Hydro-Bionics
Soviet Hydro-Bionics
Bio-mimic submarine technology, when underwater vehicles use propulsion mechanisms inspired by marine wildlife instead of the propellers (‘screws’) is a hot topic. But it is not as new as you might think... Read More >....