Seacraft DPC
Polish Diver Propulsion Vehicle (DPV) manufacturer Seacraft is developing a Diver Propulsion Craft (DPC) which bridges the gap between DPVs and full-size SDVs (Swimmer Delivery Vehicles). The one/two/three/four-person craft allows greater speed, load carrying and endurance than a DPV whilst still being small enough to manhandle or carry within a submarine.... 
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Vanquisher of enemies - INS Arihant
Updated. Originally posted 21st September 2014
Despite years of development and press attention, India's first ballistic missile submarine (SSBN) the INS Arihant is still something of a mystery. As more information comes out we can have a go at working out exactly what she looks like, and what the implications are on her internal layout and capabilities. 
CWC_Podcast_SovietSub
Podcast - FOXTROT Class SS (John Sutton, Medway)
Episode 35 of Cold War Conversations talks with John Sutton who owns a Pr.641 FOXTROT Class Soviet Submarine moored in the middle of the River Medway in Kent, UK.... Read More >....
Mignatta
The world’s first combat swimmer ship attack
The direct linage of almost all modern combat swimmer operations and Swimmer Delivery Vehicles (SDVs) goes back 100 years to November 1918. Two Italian navy officers coaxed the world’s first wet-sub, the Mignatta, into an enemy harbor and sunk a battleship(!). It is important because a) it was the first b) it was so successful and c) it is almost forgotten and needs to be remembered, especially in the wider context of Special Forces history.... Read More >....
Indonesian_KTBA_chariots
Indonesia reveals new KTBA series SDV 
Indonesia has revealed the latest in its indigenous Kendaraan Tempur Bawah Air (KTBA) series of Swimmer Delivery Vehicles (SDVs) developed for the elite naval special forces unit Kopaska.… Read More >....
Yacht_Elden
Yacht tracking: Russian yacht Elden (ЭЛДЕН) Super yachts usually get noticed for their bold design, impressive scale, sleek lines and massive price tag. The 29 meter long Elden (ЭЛДЕН), owned by Russian oligarch Oleg Deripaska, has gained notoriety for other reasons however. ... Read More >....
Stidd_DPD
Diver Propulsion Device (DPD) 
Diver Propulsion Devices (DPDs) are larger and more robust than the diver propulsion vehicles used by recreational divers and technical divers. The craft that gives this category of Special Forces vehicles its name is the Stidd DPD… Read More >....
Narco_2018-11
Narcosub intercepted off Guatemala
Recording of recent narco-sub incidents....
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Dry_Combat_Submersible
Updated. Previous versions 13th August 2016 & 27th July 2018.
Dry Combat Submersible (DCS) 
The Dry Combat Submersible (DCS) is a type of SEAL Delivery Vehicle (SDV) where the interior is dry to allow the SEALs to arrive at their target fresher than a wet-sub where they have to wear their diving gear at all times.
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Narco_2018-10
Narcosub update
Recording of recent narco-sub incidents....
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