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'Hunt for Reds in October'

Grey Havoc

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http://www.telegraph.co.uk/news/worldnews/europe/sweden/11174169/Sweden-hunts-for-Russian-submarine-live.html

http://www.telegraph.co.uk/news/worldnews/europe/sweden/11174289/Why-would-a-Russian-submarine-enter-Swedish-waters.html


http://www.militaryphotos.net/forums/showthread.php?241745
 

Grey Havoc

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Looks like it may be a minisub of some sort. There is a Russian tanker (Ns Concord) not too far away that is suspected of being the mothership. Some speculation that the minisub may be a Triton-NN, though until now it was thought that particular type had not been adopted by Russia, and therefore was being offered for export only. The fact that the NN is a 'wet' vehicle is a argument against the intruder being a NN, though.

EDIT: Via HISutton over at MilitaryPhotos.net;



http://www.hisutton.com/Russian%20Triton-NN%20SDV.html
 

Ifor

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Is the Groton semi or fully submersible? I've been trying to find more info on the net, but no luck. What's it's role.
Ifor
 

Michel Van

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During cold war was similar Swedish military "Hunt for Reds in October" about phantom submarine that left wheel tracks on seafloor !
http://en.wikipedia.org/wiki/Swedish_submarine_incidents

And it's seems that North Korea has something similar to Triton-NN (For smuggler ?)
They play regular the same game with South Korea Navy.
 

Ifor

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Sorry meant Tritton. Semi or fully submersible? It's role?
 

Grey Havoc

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At least in the version that's known, it's a large SDV, that is Swimmer Delivery Vessel, usually used for deploying and retrieving combat divers/special forces and their equipment, though they can also be used to support intelligence operations such as placing and servicing sensor packages inside hostile waters, so to speak. SDVs are normally fully submersible. As already mentioned SDVs are usually 'wet' vehicles, that is they don't have a 'dry' compartment for crew and/or passengers. This of course places a limit on their endurance underwater (can be defined as time available to carry out their mission and return safely, including time margin for escape & evasion manoeuvres). SDVs usually require motherships to transport them to and bring them home from mission areas, though for insertion at least it has been known (especially in the case of smaller one and two-man SDVs) for them and their personnel to airdropped in or near their mission areas.


The latest from the BBC on the search: http://www.bbc.com/news/world-europe-29706661
 

Ifor

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Thank you, appreciated.
 

Grey Havoc

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No problem. I forgot to add that SDV can also stand for Swimmer Delivery Vehicle, especially in the case of smaller SDVs.
 

Ifor

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The Swedish Navy must still think it's there if they are still looking. Seeing that it's delivery vehicle, wouldn't they be low on air or is there a system which allows them to stay out for longer? Sorry,not au fait with navy equipment
 

Moose

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Ifor said:
The Swedish Navy must still think it's there if they are still looking. Seeing that it's delivery vehicle, wouldn't they be low on air or is there a system which allows them to stay out for longer? Sorry,not au fait with navy equipment
We've not seen any certain information that it's an NN or similar vehicle, for one. IF it is, it's unlikely to have a total endurance greater than 100 hours or so. If it's something bigger like a Kilo, it could last a week sitting on the bottom if the crew is very conservative with their air and power use.
 

covert_shores

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My take is that the it's unlikely to involve Triton-NN. It is not designed to operate with a mother submarine so endurance that close to the 'enemy' is a few hours tops. No wet-sub is capable of multi-day missions in operational settings. They could sink it in cache mode for maybe a few days whilst they hide out on an island and then swim back to it when they think that the coast is clear. But they'd have to enter and exit the area on the surface and whilst it is relative low radar signature, not low enough to sneak out that close to the Swedish Navy.

It's an interesting boat but a) I was under the impression it's export only b) it's not suited to deep penetration of the Swedish archipelago.

My 2p
 

Mr London 24/7

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Putting Your Head in the Tiger's Mouth: Submarine Espionage in the Territorial Sea

James Kraska
Stockton Center for the Study of International Law, U.S. Naval War College; University of Virginia School of Law, Center for Oceans Law & Policy; University of Virginia School of Law, Center for National Security Law; University of California Berkeley School of Law; Foreign Policy Research Institute (FPRI)

June 4, 2015

http://jtl.columbia.edu/wp-content/uploads/sites/4/2015/12/Kraska_54-CJTL-164.pdf
 

Mr London 24/7

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http://www.thelocal.se/20160609/was-there-another-submarine-in-swedish-waters-this-year

Tengroth said on Thursday that after the April 21st-24th exercises were suspended, the military launched maritime surveillance in the area and divers were sent down to investigate.

"Tracks were found on the seabed (…) but they were nothing that could be linked to these indications," he said.
 
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