Updated: originally posted Feb 5, 2017
Soviet Russia's forgotten high-speed AIP submarine 
When in May 1958 CIA intelligence analysts poured over a set of spy photographs of Soviet submarine construction they noticed that one submarine was different to the rest. They soon realized that they were dealing with an entirely new class of submarine.
What was undetectable in the photo was that it was equipped with Air Independent Propulsion (AIP)... Read More
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World-Submarine-Family-Tree
UPDATED - version 2.3
World Submarines Family Tree
I would like to share this resource I built as part of my research into submarine design history. I am trying to make map out which designs influenced which others, and from there which designs can be said to be the most influential submarines.
This is a nuanced topic and the map is only intended as a starting point...
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Chinese-Navys-Base-Yulin-Mar-21
Incredible New Google Earth Images Of Chinese Nuclear Submarines
The latest high-resolution satellite imagery of Yulin on Hainan, South China Sea, shows 7 submarines. One of the boats, a Type-09IV Jin Class SSBN, has some of its missile doors open. Tents are covering some of the open hatches.
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OSINT-Catches-Submarine-Exercise
OSINT Crosshairs: Satellite Catches Submarine Photo Op
During NATO's Dynamic Manta exercise in the Mediterranean last month a German Navy P-3C Orion maritime patrol aircraft conducted an anti-submarine exercise with an Italian Navy Type-212A Todaro Class submarine.
But the Marineflieger were not the only ones watching...
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5-most-influential-submarine-designs-ever
5 Most Influential Submarine Designs Ever
These five submarines can easily be argued to have been the most important in overall terms.
Not the Surcouf, I-400, Alfa Class, USS Jimmy Carter or the mighty Typhoon.
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Russian-Sarma-UUV
Russia's New Deep-Diving Drone Submarine with AIP
Russia's FPI (Advanced Research Foundation) recently revealed some details of a new uncrewed underwater vehicle (UUV) called Sarma. Although few details have emerged the associated graphic indicates a craft approximately in the Large-Displacement UUV category (LDUUV).
The mode of AIP is unclear but fuel cells seems the most likely...
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UAE-ArmaCraft-Trident-Submarines
New Swimmer Delivery Vehicles (SDVs) From UAE
UAE (/Sweden) based Arma-Craft have reportedly signed a substantial order for its new Trident SDVs.
The exact model of craft and Foreign Navy customer have not been released.
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How-Large-Is-The-Typhoon-Class-Submarine
The Typhoon Class Submarine Is Big. But How Big?
The iconic Pr.971 'Akula' (NATO: TYPHOON Class) submarine is the largest ever built. It's overall dimensions are much more than any other submarine (although a few Russian types are longer). They are easy to find..
But in case you find it difficult to picture just how big that is I made this quick graphic.
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Artwork-Walrus-Class-Submarine
New Artwork Collaboration: Walrus Class Submarine
As a collaboration with 800Tonnes Naval Art, we illustrated a cutaway of the Royal Netherlands Navy Walrus Class submarine.
800Tonnes did the outer hull, and I drew in the innards...
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Geolocation-Of-Thai-Navy-Submarine-In-China
Geo-location Of Thai Navy Submarine in China
China's new Wuchang Shipyard is pumping out Yuan Class AIP submarines (SSP). While I will not share all of the sources, there is some collaborating evidence which is easily accessible...
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