Secret Naval Projects

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Unbuilt and cancelled ships, subs etc. Designs that never made to production.
overscan (PaulMM)
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2
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33K
TsrJoe
TsrJoe
YourChair
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Mythical 1941 Japanese CA specification for the Maru 6 Plan
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10
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Tzoli
Tzoli
Triton
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Royal Australian Navy (RAN) DDL project (1966-72)
2
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41
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20K
Kanga
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Grey Havoc
Successor/Dreadnought Class SSBN
2 3
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105
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27K
zen
Z
M
WW2 German "Ursel" Underwater Rocket
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31
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35K
Lohengrim
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JFC Fuller
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Type 42 Batch 1 Hull Cut
2
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73
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24K
Yellow Palace
Y
RyanC
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Commercial (or Semi Commercial) Cargo Submarines
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32
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28K
Grey Havoc
Grey Havoc
A
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Japanese Submersible Coastal Gun/Submarine
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14
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10K
Grey Havoc
Grey Havoc
hesham
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Italian Submarine of 1940s ?
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3
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423
hesham
hesham
F
French Aircraft Carrier Never-Were Designs and Proposals
2
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72
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31K
Archibald
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JAZZ
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Russian and Soviet Aircraft Carriers
2 3 4 5 6 7 8 9 10 11
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437
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273K
Winchester
Winchester
C
"Ultimate battleship" designs
2 3 4 5
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162
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44K
Graham1973
Graham1973
Triton
Iowa and Alaska Class Conversion Projects
8 9 10 11 12 13 14 15 16 17
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648
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185K
Graham1973
Graham1973
Pirate Pete
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New Drydock for Portsmouth Dockyard!?
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10
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6K
Nik
Nik
Grey Havoc
‘BLACK SWAN’ Class Sloop-Of-War
2
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44
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16K
Scott Kenny
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Grey Havoc
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Multi Role Support Ship (MRSS) - previously Future Littoral Strike Ship (FLSS)
2 3
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108
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21K
Scott Kenny
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TomS
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Obscure USN Frigate concepts and studies
2
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56
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13K
TomS
TomS
Grey Havoc
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Mogami/DEX/30FFM class frigate
2 3 4
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143
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37K
aonestudio
A
Grey Havoc
Ethiopian Navy
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4
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1K
Grey Havoc
Grey Havoc
P
British Type 43 destroyer
2 3
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104
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72K
Hood
Hood
archipeppe
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LPD Al Fulk
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26
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3K
tyrin
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TinWing
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CVN-77, CVX, and CVN-21 Design Studies
2 3
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111
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82K
Grey Havoc
Grey Havoc
P
Type 82 Bristol Class Projects and Design Studies
2 3 4
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122
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38K
XRNWEO
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sferrin
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USN Arsenal Ship Concepts
2 3 4 5
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161
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103K
Grey Havoc
Grey Havoc
RyanC
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US Navy/USMC/US Army Sea Basing Concepts
2
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40
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27K
Felocie
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Grey Havoc
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Advanced Technology Frigate (Great Britain, early 1990s)
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10
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1K
RP1
RP1
Grey Havoc
Medium Unmanned Surface Vehicle (MUSV), U.S. Navy
2 3
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84
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18K
jsport
J
A Tentative Fleet Plan
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US Mid-1960s Ocean Reconnaissance Ship
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2
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478
A Tentative Fleet Plan
A Tentative Fleet Plan
A
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Soviet Cruiser Projects
2
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74
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58K
gollevainen
gollevainen
A Tentative Fleet Plan
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PD-214 Security Class Maritime Administration conceptual mobilisation ship 1974-1981
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16
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4K
Scott Kenny
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JFC Fuller
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Iowa 3"/50 configuration
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22
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11K
Scott Kenny
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YourChair
Info on Omaha-class cruiser modernizations
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22
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6K
BlackBat242
BlackBat242
_Sarcasticat_
Kriegsmarine - KM Naval Armament Plans/Discussion
2 3 4 5 6 7 8
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290
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9K
WanderingGrenadier
WanderingGrenadier
V
I-400 sized German U-boat projects from WW2?
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9
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5K
Tzoli
Tzoli
RP1
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NFR-90 and other Pre-Horizon AAW Projects
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36
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31K
Grey Havoc
Grey Havoc
Sanglune
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Koninklijke Marine general - The better KM's Ships, Plans and Weaponry discussions
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17
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3K
Archdude
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RyanC
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N/S Savannah Proposed Conversions
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2
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3K
JoeCalPo
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Triton
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Project Habakkuk
2
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72
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48K
skylancer-3441
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RP1
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Naval Gun Projects
2 3 4 5 6 7
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269
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187K
TinWing
TinWing
JFC Fuller
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BAE/RO 155mm Naval Ordnance
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8
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2K
TinWing
TinWing
Temeraire
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HMS Nelson: Post War Modernisation Plans
2
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64
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12K
Archdude
A
Grey Havoc
Royal Navy XLUUV program (Manta-class drone submarine)
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9
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5K
Grey Havoc
Grey Havoc
Grey Havoc
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Naval Group working on MUSV and LUSV concepts for French Navy (2022)
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6
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2K
Grey Havoc
Grey Havoc
J
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New USN MUSV
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4
Views
671
Grey Havoc
Grey Havoc
Triton
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French nuclear-powered amphibious assault ship (PH 75/PA 75)
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29
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24K
gollevainen
gollevainen
F
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Jean Bart Unbuilt Projects
2
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54
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16K
JJMM
JJMM
M
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1950s - 1960s U.S. NAVY FUTURE WEAPONS
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3
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2K
moin1900
M
World B4
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Some Imperial Russian warships
2
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70
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19K
Tzoli
Tzoli
Graham1973
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Post WWII USN Fleet Submarines
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17
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9K
Vepr157
Vepr157
Tzoli
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Romanian Naval Programmes
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2
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5K
Tzoli
Tzoli
Grey Havoc
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High Speed Landing Craft (JSDF)
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3
Views
804
Grey Havoc
Grey Havoc
RyanC
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US Navy Deep Submergence Rescue Vehicle (DSRV) Concepts
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24
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9K
Scott Kenny
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Tzoli
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The Danish Standard Flex designs
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8
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4K
apparition13
A
Grey Havoc
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Irish Naval Service / Irish Navy
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6
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617
Archdude
A
J
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Verdun French Aircraft Carrier (images)
2 3
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104
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43K
JJMM
JJMM
_Sarcasticat_
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Kriegsmarine - KM Ship Plans/Discussion
9 10 11 12 13 14 15 16 17 18
Replies
700
Views
255K
JJMM
JJMM
A
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Polish Projects
2 3 4 5 6 7 8
Replies
315
Views
58K
Grey Havoc
Grey Havoc
JAZZ
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PA NG - next gen French Aircraft carrier program
4 5 6 7 8 9 10 11 12 13
Replies
483
Views
180K
Grey Havoc
Grey Havoc
Grey Havoc
Type 31 GPFF
2 3 4 5 6
Replies
236
Views
62K
Grey Havoc
Grey Havoc
Grey Havoc
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Dutch 2023 Frigate project
2 3
Replies
95
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20K
Grey Havoc
Grey Havoc
flateric
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Electric Boat MBI-1
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10
Views
970
Grey Havoc
Grey Havoc
covert_shores
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Unbuilt Royal Navy submarines
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36
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22K
Hood
Hood
snne
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Turkish Aircraft Carrier concept
2
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79
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12K
mirco1961
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Antonio
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Euro Frigates
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29
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27K
H_K
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Grey Havoc
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Frégate de Taille Intermédiaire (FTI)
2
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47
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14K
aonestudio
A
bobbymike
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US UUV/AUV Projects (Unmanned/autonomous underwater vehicle)
2
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73
Views
20K
Forest Green
Forest Green
R
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La Babel navale
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1
Views
453
Foo Fighter
Foo Fighter
Antonio
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Invincible class - notes
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27
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17K
TomS
TomS
JFC Fuller
South African Indigenous Naval Projects?
2 3 4 5 6
Replies
204
Views
117K
Grey Havoc
Grey Havoc
A
BB-72 to BB-78, post-Montana battleships ?
2
Replies
72
Views
41K
Yellow Palace
Y
R
Soviet unbuilt Naval projects
2 3 4
Replies
122
Views
105K
Roodbaard1958!
R
red admiral
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Ansaldo Ship Designs
2 3
Replies
81
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37K
Dilandu
Dilandu
A
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Two Peculiar British Designs
Replies
23
Views
7K
DWG
DWG
J
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  • Redirect
Iran’s carrier project
Replies
–
Views
–
N/A
Grey Havoc
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Nuclear Civil Vessels
2
Replies
50
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10K
pgd2000
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YourChair
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Kleber/Marceau and Bayard-class destroyers, and the Vichy destroyer studies
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7
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3K
00-PureEvil-00
00-PureEvil-00
Tzoli
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CVAN-67 the Nuclear Kennedy
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7
Views
3K
Grey Havoc
Grey Havoc
GTX
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Chinese UUVs
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1
Views
778
GTX
GTX
A
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Mid-London Naval Conference USN sketches (1930)
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14
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3K
Archdude
A
Tzoli
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The Mysterious 1944-45 Gibbs & Cox Battleship
2
Replies
75
Views
19K
Hood
Hood
C
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China's Project 891 aircraft carrier
2
Replies
44
Views
7K
cattalonX
C
Grey Havoc
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European Patrol Corvette (EPC)
Replies
33
Views
17K
gollevainen
gollevainen
Triton
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Sea Arrow fast attack ship (Netherlands)
Replies
1
Views
4K
Grey Havoc
Grey Havoc
JAZZ
SES concepts 1990's
Replies
16
Views
12K
jsport
J
Michel Van
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Cold war Submarine Aircraft Carriers Projects.
2 3
Replies
100
Views
104K
moin1900
M
World B4
Post-1906 Battleships with Large Calibre Secondary Batteries
Replies
19
Views
3K
Scott Kenny
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gollevainen
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Few never-where projects from Central Naval Museum in St.Petersburg
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30
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25K
Tzoli
Tzoli
DWG
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RN 20Kt Fast Oiler, 1945 Programme
Replies
8
Views
1K
EwenS
E
Grey Havoc
US Coast Guard Coastal Forces Program
Replies
6
Views
6K
TomcatViP
T
T
Unbuilt WW2 Japanese Ship Projects
Replies
23
Views
39K
warspite
W
Triton
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Gibbs & Cox International Frigate
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24
Views
12K
Scott Kenny
S
A Tentative Fleet Plan
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Royal Navy 1960s Depot Ship Design for East of Suez
Replies
21
Views
6K
uk 75
uk 75
TinWing
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Article on the 1950s Design Studies leading to the HMS Fearless LPD class
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8
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4K
Kiltonge
Kiltonge
J
Ukrainian vampire boat
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2
Views
483
johnpjones1775
J
XP67_Moonbat
Armstrong Seadrome
Replies
12
Views
10K
DWG
DWG
Triton
NSSN Virginia-class - current status and future
2 3 4 5 6 7 8 9
Replies
356
Views
143K
Kat Tsun
Kat Tsun
A
Mark 13 Torpedo - Nuclear Variant
Replies
2
Views
606
Yellow Palace
Y
_Sarcasticat_
Kaiserliche Marine - Imperial German Navy Ship Plans/Discussion
2 3
Replies
104
Views
3K
Pirate Pete
Pirate Pete
Tzoli
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The Cockatoo Heavy Cruiser
Replies
32
Views
20K
Owens Z
Owens Z
ptdockyard
Brazilian Never-were warship proposals 1920-1940
2
Replies
78
Views
20K
Archdude
A
Tzoli
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The Development and Modernizations of the Nelson class
Replies
36
Views
10K
Tzoli
Tzoli
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