Norway selects German Type-212 submarine
In a surprise move, Norway has stopped its submarine selection competition and selected a German Type-212 derived design offered by Thyssen Krupp Marine Systems (TKMS)... Read More >....
All articles
CosMoS CE4F SDV
Revealed: Turkey's secret Italian SDV
CE4F article originally posted 22nd July 2016. Info on Turkey added 29th Jan 2017
The CE4F was the last and most secret Swimmer Delivery Vehicle (SDV) built by the famed manufacturer Cos.Mo.S based in Livorno, Italy. The original customer, and only known operator, was the Turkish SAT (Su Altı Taarruz) Special Forces.... Read More >....
Cold War Intelligence Doc
Analysis of Soviet Cold War Intelligence document on Naval Special Forces
Organizing Combat Against Underwater Sabotage Forces and Means in Naval Theaters
This is an analysis of a document found on the CIA Records Search Tool (CREST) (here) which is in fact an American translation of a secret Russian document originally dating from 1965. The original document was part of the SECRET Russian Defense Ministry Publication Collection of Articles of the Journal ‘Military Thought’. The translation was circulated within the CIA in 1978 as part of the Military Thought (USSR) series of Top Secret briefings. In the document (direct link), its author Capt. G Ditskiy describes the past and present (as-of 1965) combat swimmer operations and technology, and lays out that countering these forces is critically important in wartime. He also points out the key weaknesses of Soviet capabilities as he saw them..... Read More >....
Secret History - the Soviet submarine gap
Originally posted 13tth Dec 2014.
Updated with infor from CIA CREST archives. 
After WW2 those with Top Secret clearances in UK and US were concerned that Russia was building a fleet of midget submarines which could deal a deadly blow to NATO navies in the opening moments of World War Three. Declassified documents found in the National Archives (UK) and CIA FOIA Reading Room (US) shed interesting light on these fears.
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South_Asia_CASD
Related: 
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Nuclear Missile submarines
World survey of AIP submarines
North Korean Gorae Class SSB 
INS Arihant SSBN
SubSkimmer
The SubSkimmer is possibly one of the most innovative underwater craft ever designed for the infiltration of Special Forces. It combines the characteristics of a rigid-inflatable (RIB) with an underwater scooter and is better understood as a submersible boat rather than a typical Swimmer Delivery vehicle (SDV). First built in the early 1980s, it has been widely exported and version are still in production today..... Read More >....
Nuclear Missile Submarines
First posted 18th June 2016. + The dynamics of at-sea nuclear deterrence have completely changed since the end of the Cold War. In those 25 years the total number of active ballistic missile submarines has more than halved, but three additional countries have joined the club.... Read More >....
Submarine_Cutaways
Analysis - Russian Status-6 aka KANYON nuclear deterrence and Pr 09851 submarine
Originally posted 20th Nov 2015 KANYON (Status-6) strategic weapon
The leaking of the Status-6 (‘KANYON’) strategic nuclear torpedo on Russian TV on 9th November 2015 was met by many in the West with incredulity. However the fact remains that the weapon was not unexpected among the few observers watching the development of certain large submarines by Russia. We knew that Russia was developing an over-sized forward firing weapon because of the Sarov submarine (see old COVERT SHORES article). And the project 09851 Khabarovsk and Project 09852 Belgorod were being followed and talked of as probable launch platforms for a new weapon. And the KANYON system had been revealed in Western Media two month earlier, citing Pentagon sources. Most recently the same media source has claimed that the weapon has been test fired from Sarov. Read More >....
Euronaut
Euronaut: a 'proper' garage-built midget submarine
There are only handful of civilian submersibles which are in any respect comparable to military midget subs. The architects and builders of these projects deserve the greatest respect and secret envy. The Euronaut, which has been built for wreck diving, is an incredible example of this rare breed.
