Russian Cold War unmanned boat
Today, Unmanned Surface Vessels (USVs) are seen as an emerging trend in naval doctrine. But some types were in service during the Cold War (and even World War One!). This article describes the Russian BUKS (БУКС) mine and obstacle clearance boat from the Cold War...... 
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Sturgeon_SSN
Cold War Sturgeon Class Nuclear-Powered Attack Submarine (SSN)
The main US Navy attack submarine of the Cold War, 39 Sturgeon Class SSNs were built in the late 1960s and 1970s. Their primary purpose was anti-submarine warfare against all types of seagoing Soviet submarines... 
Seliger
Russian Seliger Deep Sea 'Research' Complex The Soviet deep-sea research into cable cutting from submarines goes back to the mid-1960s. The Russian Seliger vehicle was used for deep sea research and 'undersea engineering' during the Cold War..... 
Russian_Arctic_Seabed_Capabilities
Large illustration of Russian Under-ice Seabed Capabilities Russia continues to take steps towards militarizing the arctic, and in particular the sea floor under the ice cap.... 
PR-77+R-2_SDVs
Classic two-man SDV of the Cold War
This one of the most widely recognized Swimmer Delivery Vehicles (SDVs) of the Cold War, and is best known as the Ronilica R-2, preferred mount of Yugoslavia’s commando frogmen unit the 82 Maritime Center. The original design is in fact French, and it served with the US Navy UDT and SEALs as well as being exported, from Yugoslavia, to Sweden, Syria and Libya..... 
NarcoSub_03-2018
Narco Sub developments and trends
This article documents recent intercepts and highlights how Narco Sub design and Modus Operandi is evolving....
Harpsichord_AUV
Russian Harpsichord large Unmanned Underwater Vehicles carried by nuclear submarines The Harpsichord-2P-PM (Клавесин-2Р-ПМ) UUV is one of the largest and most advanced UUV programs in Russia. It will be carried by surface vessels or submarines and may become a standard feature of Russian Navy nuclear submarines, giving them an improved Intelligence Surveillance and Reconnaissance (ISR) capability.... 
Spy Subs -Project 09852 Belgorod
Updated with refined cutaway. Originally posted 25th June 2016 Russia is building a new military complex deep under the Arctic, and is bringing the new KANYON strategic nuclear weapon into service. As one of the largest submarines in the world, the new Project 09852 Belgorod submarine will play a key role in both projects.
"Belgorod" is an unfinished OSCAR-II cruise missile submarine which is being converted to serve as a Special Missions mother submarine. It will be crewed by the Russian Navy but operated under GUGI, the secretive Main Directorate Deep Sea Research organization.
In order to conduct covert special missions, it will carry a deep diving midget submarine, large payloads and the new KANYON (Status-6) strategic nuclear torpedo weapon.... Read More >....
Status-6_KANYON
Updated
Russian Status-6 Intercontinental, nuclear armed, undersea autonomous torpedo Demystified This brief analysis details a selection of my original research into the subject.... 
OSINT_Landscape
OSINT Landscape released
This landscape shows the main platforms and tools of Open Source Intelligence (OSINT) and Open Source Investigation (OSINV). OSINT is the collection and analysis of publicly available sources in an intelligence context. "Open" refers to overt, publicly available sources as opposed to covert or clandestine sources..... Read More >....