Scroll down for Special Forces, Uncrewed Underwater Vehicles (UUVs) Defense Analysis and Misc.
Submarines
Project 09852 Belgorod Special Mission submarine (spy sub). w/Cutaway
TYPHOON Class SSBN. w/Cutaway
F-117 of the Seas: Lockheed's Stealth Submarine design
Russian KILO Class submarine w/Cutaway
Taiwan's indiginous Hai Kun Class submarine.
Spain's S-80P Isaac Peral Class AIP submarine. w/Cutaway
Russian Losharik spy sub w/Cutaway
World's First Nuclear Submarine, USS Nautilus w/Cutaway
Most Influential Submarine of World War Two, Type-XXI U-Boat w/Cutaway
US Navy's Super Cruise Missile Submarine: USS Permit's Original Design w/Cutaway
Project 949A/AM OSCAR-II Class Cruise Missile Submarine. w/Cutaway
Chinese Navy's First Cruise Missile Submarine, Type-033G Wuhan Class. w/Cutaway
Chinese Navy's Advanced Submarine Type-039C Yuan Class. w/Cutaway
K.A. Schilder's Rocket-Armed Submarine of 1834. w/Cutaway
Italian M23 Submarine for Qatar
Japanese Maru Yu special transport submarine of WW2 w/Cutaway
Suffren (Barracuda) Class Attack Submarine w/Cutaway
Indonesia's KSM-32 Midget Submarine
Drass DG-900 Compact Submarine
Kalvari Class (Scorpene) Submarine w/Cutaway
Trafalgar Class w/Cutaway
Chinese Navy's First Advanced Submarine Type-032 (1958)
Delfin Class, Cuba's only submarine. w/Cutaway
1913 Patent for a Submarine w/Cutaway
Indian design for a Coastal Submarine for Special Forces
Project 09851 Khabarovsk Class Submarine. w/Cutaway
USS Jimmy Carter (SSN-23) Special Mission submarine
North Korean Hero Kim Gun-Ok Class ballistic missile submarine w/Cutaway
North Korean Modified-Romeo Class ballistic missile submarine w/Cutaway
Project 885 'YASEN' (Severodvinsk Class) SSGN. w/Cutaway
Project 955A 'BOREI-A' Ballistic Missile Submarine. w/Cutaway
Japanese Kairyu midget submarine of WW2 w/Cutaway
Iranian Fateh Class submarine w/Cutaway
World war One Type UC-1 U-boat w/Cutaway
Chinese Type-093 Shang Class Submarine w/Cutaway
Type-212 AIP submarine w/Cutaway
Nordenfelt steam powered submarines of the 1880s. w/Cutaway
Project 1850 LIMA Class submarine. w/Cutaway
A-26 Blekinge Class attack submarine. w/Cutaway
Indian next-generation S-5 Class SSBN
Chinese Sailless Submarine
Malachite Arctic Submarine concept
Swedish A21 Flundran AIP attack submarine
British SSN(R) next generation Royal Navy SSN
Surcouf Cruiser Submarine w/Cutaway
Attack Class
AN-1 submarine aircraft carrier
SMX-31 future submarine concept ('The Electric') w/Cutaway
Type-XXIXH stealth U-Boat. w/Cutaway
Project 685 MIKE Class deep-diving SSN. w/wreck guide
SNLE-3G next-generation French SSBN
Sturgeon Class SSN. w/Cutaway
Unbuilt US Navy spy submarine
Project 705 'ALFA' class attack submarine. w/Cutaway
Yugoslav X-Craft (R-3E / 911 Class)
Project 673 Advanced Submarine design. w/Cutaway
USS X-1 X-Craft
Project 617 'WHALE' AIP Submarine
USS Grayback Special Forces host submarine
NR-1
Sweden's nuclear powered submarine project (A-11A)
HUSKY Class future attack submarine
USS Parche spy sub par-excellence. w/Cutaway
Japanese Ko-Hyoteki midget submarine of WW2 - Pearl Harbor attack
BS-64 Podmoskovye Special Mission (spy) Host Submarine w/Cutaway
Comex Sagittaire midget submarine
Soviet Project 1015 'SPLC' Special Purpose midget submarine
American Civil War submarine H. L. Hunley
Revolutionary Narval submarine of 1899. w/Cutaway
North Korean Gorae Class SSB
Barbel Class - the last front-line diesel boats int the US Navy
Iranian Nahang Class midget sub
Japanese Ha201 Sen-Taka-Sho fast attack submarine of WW2
North Korean MS-29 YONO Class midget sub. w/Cutaway
SIERRA-I Class SSN
SIERRA-II Class SSN
Russian unbuilt spy submarine MPS
Stalin's Super Sub, Project P-2. w/Cutaway
Piranha Class (LOSOS) midget sub. w/Cutaway
Russian Seismic Survey sub
Project 1910 UNIFORM Class deep diving spy sub
USS Halibut. w/Cutaway
USS Seawolf (SSN-575)
Russian X-RAY Class spy sub
Russian Sarov experimental sub
Type-IIIA U-Boat
MSV-75 midget sub design
INS Arihant, Indian SSBN and .2
History of Israeli subs
HDS-500 Midget Submarine
Maritalia GST-23+ Midget Submarine
WW2 German Delfin midget submarine with AIP
L&T SOV-400 Special Forces submarine
Chinese MS200 midget submarine
Dakar Class submarine
Uncrewed Vehicles (UUV, AUV, USV, UAV...)
Ukraine's Marichka Underwater Drone (AUV)
Ukraine's Maritime Drones (USVs)
Houthi's Blowfish: Guide To Explosive USV Threat Off Yemen
Naval Group's XLUUV Demonstrator
Israel's little-known Caesaron large AUV
Bayonet Crawlers, tracked UUVs
Chinese Sea Wing UUV (Glider)
Theseaus AUV
Royal Navy Manta XLUUV extra-large UUV
XLUUV armed extra-large UUV
Snakeead large-displacement UUV
North Korea's Haeil and Haeil-2 nuclear armed UUVs
Iranian XLUUV
NMRS UUV captured by North Korea
Chinese HSU-001 LDUUV
Garmoniya-GUIDE AUV
ASWUUV anti-submarine unmanned underwater vehicle
Biomimetic Underwater Vehicles
Poseidon Intercontinental Nuclear-Powered Nuclear-Armed Autonomous Torpedo, and countering it
Russian Navy Beluga whale
Russia's Sarma-D XLUUV
Harpsichord (Klavesin) AUV
SwarmDiver micro-USV
Nerpa anti-diver UUV
Cephalopod armed extra-large UUV
Covert Shores Guides
Guide to Ukraine's naval drones (USVs)
Guide to Russia's naval drones (USVs)
Guide To Iran's Navy & IRGC Drone Carriers And Similar Large Ships submarine w/Cutaway
Ukraine's long-ranged attack drones (OWA-UAVs)
Ukraine's longer-ranged missiles
World survey of Underwater Attack Drones (OWA-AUVs)
World Submarines Family Tree.
+ 
Nuclear Missile submarines
World survey of AIP submarines
World survey of Navy Marine Mammal Prorams
World survey of Special Operations Craft
Explosive Boats world history
Narco Subs 101. w/Cutaway
LTTE Sea Tigers' sneak craft and midget subs
World guide to Heavyweight Torpedoes
Covert Shores guide to underwater weapons
Special Forces underwater craft
CABI AE-90 Dry Submarine
Maritalia 3GST9 Submarine
UAE's Trident submersible boats (SDVs)
DSI Diver Delivery Craft (DDC)
SBS Archimedes SDV
Mignatta first human torpedo
Decima MAS attack on New York 1943 (CA Class)
Stidd Diver Propulsion Device (DPD)
Dry Combat Submersible (DCS)
Alseamar MURENE SLV
Deep Shadow SDV
SDV Mk.9 SEAL Delivery Vehicle. w/Cutaway
DGSE's SDVs
WTD-71 Aquatechnik SDV projects
British SDV developmemts in 1960s (Dick Tuson)
Cos.Mo.S Nessie Fast SDV submersible boat
Wholphin X2, Dolphin X1 and Piranha SDV-X
Cos.Mo.S CE4F 4-man SDV
Sphyrene and Coryphene SDVs
Vogo ASDV-800 Dry Combat Submersible
Narwal / Orca Dry Combat Submersible (UWTG)
UOES3 (Button 5.60) Dry Combat Submersible (DCS)
COMSUBIN's submersible boat
Proteus advanced SDV
SWSC (Shallow Water Combat Submersible) US Navy SEALs next gen' SDV
Cos.Mo.S CE2F chariot
SWUV (/ PSM3G) advanced SDV
Naval Spetsnaz in Hybrid Warfare (Russian SDVs and DPVs)
SubSEAL advanced SDV
Sleeping Beauty (Motorised Submersible Canoe) of WW2
SubCat SDV
Rotinor BlackShadow 730 and Divejet 414 Diver Propulsion Vehicles
Patriot 3M diver propulsion (Kraken, DAAPV, Jetboots)
SharkMarine Mako DDS, Navigator, EagleRay etc
CSS-1 collapsible SDV
TorpedoSEAL Diver Propulsion Device
Gabler Swimmer Delivery Vehicles
Bonex HP and HP Shuttle Diver Propulsion Vehicles
Vogo DPD-200 diver propulsion device
Ortega Mk.1 Swimmer Delivery Vehicle
Vogo 'Chariot' SDVs (SDV-300, SDV-340...)
Triton-NN Submersible Boat
USN Closed-Cycle Energy Source SDV project
Marex Type-A (A2, A4, A5, Comex Total-Sub-01) SDVs
Polish Blotniak SDV
EMT FWS-1 to -5 Barracuda SDVs
Taedong-B 'Kajami' ('Zulfikar') submersible boat w/Cutaway
Al-Sabehat 15 Swimmer Delivery Vehicle and related development
Special Forces surface craft
Low Visibility Craft Semi-Submersible dolphin delivery vehicle.
CCH (Combat Craft Heavy) SEALION and Alligator Semi-Submersible Boats. w/Cutaway
Singaporean Specialized Marine Craft Type-II
WP-18 Tactical Strike Craft
Styx riverine Special Forces craft
Barracuda Special Forces interceptors
Special Forces Jet Skis
North Korean Very Slender Vessels (VSVs)
Other Analysis
Analysis of Swedish submarine incursion- Luleå 1983
The mystery of the Soviet Midget Submarine Gap - Royal Navy and CIA intelligence
Yantar spy ship loitering over undersea cables
Threat of narco-subs in Middle East
Russia seeks submarine advantage in Arctic (HARMONY system, GUGI special mission subs)
Misc.
U.S. Navy Semi-Submersible Torpedo Craft of World War Two
Russia's Unique 110-Year-Old Ship, Kommuna w/Cutaway
Ceara; Brazil's unique Submarine Transport Ship With Hidden Hangar, 1915 w/Cutaway
The unique Pedal-powered smuggling submarine and other Swiss smuggling subs
Lun Class Ekranoplan (Wings in Ground Effect) w/Cutaway
David ClassAmerican Civil War semi-submersible torpedo boat. w/Cutaway
Prohibition era Moonshine smuggler's sub. w/Cutaway
The Escape of Bernd Boettger from East Germany
Nautilus 2020 Luxury Private Submarine. w/Cutaway
Cutaway of Jules Verne’s Nautilus. w/Cutaway
Turbinia, the first steam turbine boat (1894)
Armored Stealth Boat used for car smuggling by Chinese organized crime. w/Cutaway
World Submarine Museum proposal
Porpoise submarine concept (/Fredrik Granholm)
Unofficial USN Diesel Submarine concept. w/Cutaway
Future Submarine Concept
Submarine Recognition Poster