Wreck of Russia's unique deep-diving attack submarine K-278 Komsomolets
The Ocean’s depths below 600 meters (1,970 ft) are almost exclusively the preserve of research submersibles and underwater engineering mini-subs. Almost. The Soviet Union did commission a single nuclear-armed titanium-hulled Pr.685 attack submarine which could dive to 1,020 meters (3,350 feet), comparable to the US Navy’s famous unarmed NR-1.... 
Read More >....
All articles
Evolving_threat_to_tankers_in_Persian_Gulf
Updated. Originally posted 3rd August 2018
Evolving threat to tankers in Persian Gulf
Iranian forces have long emphasized asymmetrical tactics in the Straits of Hormuz...
Read More >....
Russian_P750B_Submarine_Design
New Russian Submarine design: P-750B Famous Russian design Bureau Malachite displayed a model of a Small Attack Submarine design at the IMDS-2019 International Maritime Defence Show in St. Petersburg. The design has several innovative features... 
Read More >....
Houthi_explosive_boat_found
"Blow fish" low-profile explosive boat found in Red Sea
A second low-profile unmanned explosive boat has been found in Yemen......
Read More >....
Diving_Museum
Diving Museum near Portsmouth, UK
A unique museum of national/international significance....
Read More >....
Covert_Shores_Guide_to_Underwater_weapons
Covert Shores guide to underwater weapons 
General guide to many types of underwater firearms, spear-guns, rocket-guns and similar weapons used by combat swimmers in a military/naval context, in history and contemporary.
Read More >....
Saviz
Updated. Originally posted 3rd August 2018
Iranian Covert Operations ship Saviz still monitoring Red Sea Saviz is an Iranian flagged general cargo vessel used as an offshore surveillance, command & liaison base by Iranian forces operating in the Red Sea. Analysis suggests that it is primarily deployed in support of Houthi Rebels fighting in the civil war in Yemen. As of today, she is still deployed in a position monitoring traffic in the Red Sea, visible on AIS (Automated Identification System - transmissions used to avoid collisions) since she was revealed in August last year...
Read More >....
OSCAR-II_SSGN
OSCAR-II Class SSGN
The Russian Navy is modernizing two of its Project 949A OSCAR-II Class cruise missile submarines (SSGNs) to carry the latest generation of missiles... Read More >....
BOREI-II_update
OSINT: new BOREI-II class SSBN is lengthened
fresh commercial satellite imagery available on Google Earth’s history layers shows that the latest boat is also longer than the baseline version... Read More >....
Otranto_unmanned-drug-vessel
First narco-USV
A unique craft was recently intercepted that may drastically change the threat profile in the Adriatic and potentially foretell of similar developments elsewhere: a sea-going unmanned surface vessel (USV) for smuggling drugs....
Read More >....