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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1
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Hood
Hood
Charlie 11
USS Wichita (CA-45) Missile Conversion
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164
Scott Kenny
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Grey Havoc
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Canadian SSN requirement 1987-89
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33
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Scott Kenny
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C
"Ultimate battleship" designs
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108
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Mera A Firewing
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Grey Havoc
Type 31 GPFF
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211
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Rhinocrates
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RP1
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Naval Gun Projects
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265
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170K
Voltzz
Voltzz
Thorvic
Royal Navy Type 26 Frigate
2 3 4 5
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160
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85K
Grey Havoc
Grey Havoc
B
Mothership concepts?
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19
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11K
Grey Havoc
Grey Havoc
JAZZ
French follow on carrier to Charles de Gaulle
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7
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6K
H_K
H
bobbymike
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US UUV/AUV Projects (Unmanned/autonomous underwater vehicle)
2
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54
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15K
Grey Havoc
Grey Havoc
XP67_Moonbat
Armstrong Seadrome
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11
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9K
fightingirish
fightingirish
Moose
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Italian Navy DDX
2
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75
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14K
Scott Kenny
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Triton
Columbia-class SSBN (SSBN-X Future Follow-on Submarine)
2 3 4 5 6 7
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264
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67K
Josh_TN
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C
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Proposed 1980 Update of FRAM Gearing class Destroyers
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7
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1K
Archibald
A
Grey Havoc
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Gearing-class destroyers 'Ocean Escort' conversion proposal (1979/1980)
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J
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Tales of past future. Some essays about the VSTOL carrier.
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4
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595
Scott Kenny
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Mike Pryce
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Harrier Carriers
2
Replies
55
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56K
archipeppe
archipeppe
Triton
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Huntington Ingalls LPD Flight II
2
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60
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36K
aonestudio
A
Grey Havoc
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Mogami/DEX/30FFM class frigate
2 3 4
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120
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24K
stimpy75
stimpy75
Triton
NSSN Virginia-class - current status and future
2 3 4 5 6 7 8
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307
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122K
Forest Green
Forest Green
Triton
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Queen Elizabeth Class (CVF) development
2 3 4 5 6 7 8 9 10 11
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435
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139K
Hood
Hood
_Sarcasticat_
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KRIEGSMARINE CENTRAL - KM Ship Plans/Discussion
12 13 14 15 16 17 18 19 20 21
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836
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125K
_Sarcasticat_
_Sarcasticat_
Grey Havoc
AAI Common Unmanned Surface Vessel
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13
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10K
publiusr
P
Grey Havoc
USN 'Ghost Fleet' Large Unmanned Surface Vessel (LUSV)
2
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52
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14K
publiusr
P
TomS
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Rolling Airframe Missile launcher concepts
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20
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4K
Voltzz
Voltzz
Temeraire
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HMS Nelson: Post War Modernisation Plans
2
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50
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7K
Tzoli
Tzoli
Grey Havoc
Future Littoral Strike Ship (FLSS)
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27
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9K
Mc spoilt b’stard
M
S
German Navalized ROLAND-II SAM system
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5
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6K
Voltzz
Voltzz
Combat-Master
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Turkey's Naval Projects [Ships, Subs, Missiles, Torpedoes, Unmanned, Electronics]
2
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73
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17K
snne
snne
F
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US destroyer/frigate designs of the 60s & 70s
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34
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8K
A Tentative Fleet Plan
A Tentative Fleet Plan
Grey Havoc
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Royal Hellenic Navy Ship Projects
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12
Views
4K
Scott Kenny
S
Grey Havoc
BAE Systems Successor SSBN
2
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67
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20K
Scott Kenny
S
Triton
NATO Multilateral Force (MLF) Polaris ships and submarines
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21
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16K
Christopher Wang
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Tzoli
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Royal Navy Lion Class Battleship series 1938-1945
2 3 4
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140
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75K
Temeraire
Temeraire
Tzoli
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Austro-Hungarian Navy non-capital ship designs
2
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66
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29K
lancer21
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Tzoli
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Fisher's Warship Proposals
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38
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6K
Mera A Firewing
Mera A Firewing
covert_shores
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SNLE-3G - next gen French SSBN program
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14
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5K
A Tentative Fleet Plan
A Tentative Fleet Plan
C
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Japanese 'dream project' battleships and never built battleships
2 3
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102
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46K
Graham1973
Graham1973
M
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1950s - 1960s U.S. NAVY FUTURE WEAPONS
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2
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556
Dilandu
Dilandu
A Tentative Fleet Plan
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Hip Pocket I & II
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2
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2K
A_Random_Guy
A
I
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SSN (X) - Seawolf Redux or something far larger?
2 3 4 5 6
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232
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31K
Cordy
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Nick Sumner
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Atlantik bomber kreuzer
2
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68
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12K
Jemiba
Jemiba
Hood
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Arctic Drift Barge
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1
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2K
moin1900
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Triton
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Arleigh Burke Class Concepts
2 3 4
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129
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46K
that_person
that_person
CL-154
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Imperial German Diesel Battleships
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4
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3K
sienar
sienar
uk 75
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Lists of Unbuilt Royal Navy and British Export Ships
2 3
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93
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15K
Mera A Firewing
Mera A Firewing
D
Project Nobska Nuclear/Fuel Cell Powered Midget Submarines and Destroyers
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2
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3K
moin1900
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snne
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Turkish Aircraft Carrier concept
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22
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2K
FighterJock
FighterJock
le max
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Mysterious spanish battleship or battlecruiser
Replies
10
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1K
Toryu
T
Michel Van
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Cold war Submarine Aircraft Carriers Projects.
2 3 4
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128
Views
92K
Yellow Palace
Y
T
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Japanese type 65 battle cruiser
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4
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5K
Tzoli
Tzoli
ptdockyard
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Question on Italian 135mm and 65mm naval weapons
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10
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1K
Phoenix_jz
P
Tzoli
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Argentinian Never-Were Warship Designs and Proposals
2 3 4 5 6 7 8 9 10 11
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400
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77K
Mera A Firewing
Mera A Firewing
Tzoli
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Imperial and Nationalist China Warship Projects
2 3 4 5 6 7
Replies
248
Views
41K
Tzoli
Tzoli
covert_shores
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Swimmer Delivery Vehicle projects, old and new
2 3 4 5
Replies
164
Views
99K
Boxman
Boxman
R
Russian Cruiser Novik (1900) High Speed Proposal
Replies
0
Views
321
Rainbow1910
R
K
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Polish Projects
2 3 4 5 6
Replies
227
Views
33K
00-PureEvil-00
00-PureEvil-00
F
Degaussing WW-2 Submarines.
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6
Views
737
Flogger15
F
Grey Havoc
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Fairchild Aircraft X-1 (USS/SS X-1 [SCB number 65])
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7
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7K
TJDougherty01
TJDougherty01
H
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Did the Spanish have any plans on replacing Dedalo I?
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18
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2K
Toryu
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ptdockyard
Brazilian Never-were warship proposals 1920-1940
2
Replies
71
Views
14K
Mera A Firewing
Mera A Firewing
JFC Fuller
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Vickers Design 742 Battleship
Replies
1
Views
466
JFC Fuller
JFC Fuller
YourChair
Italian 61200 ton CRDA battleship (4-16-16-40)
Replies
12
Views
2K
Kresta II
K
Triton
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Soviet Navy Project 748 submarine landing ship
Replies
15
Views
17K
athpilot
athpilot
Grey Havoc
Medium Unmanned Surface Vehicle (MUSV), U.S. Navy
2
Replies
68
Views
13K
jsport
J
JAZZ
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PA NG - next gen French Aircraft carrier program
2 3 4 5 6 7 8 9
Replies
337
Views
147K
TomcatViP
T
G
WWI Royal Navy QE and R follow on Battleship Designs
2
Replies
54
Views
11K
drwells42
D
Tzoli
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Coal Fired Type 42 Sheffield class
Replies
16
Views
2K
DWG
DWG
Triton
Iowa and Alaska Class Conversion Projects
6 7 8 9 10 11 12 13 14 15
Replies
563
Views
150K
JoeCalPo
J
Triton
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US Navy Jupiter SSBN
Replies
8
Views
6K
Deleted member 4286
D
R
Australia announces the outcome of it's Frigate competition
2
Replies
65
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11K
WatcherZero
W
B
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RUR-4 Weapon Alpha/Able
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21
Views
14K
Scott Kenny
S
jstar
Houthi using UUV?
Replies
1
Views
306
TomS
TomS
RyanC
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Commercial (or Semi Commercial) Cargo Submarines
Replies
29
Views
25K
RAP
RAP
W
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5cm Flak Doppelturm
Replies
8
Views
2K
Wurger
W
ptdockyard
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French Big gun submarine project 1936
Replies
0
Views
484
ptdockyard
ptdockyard
Grey Havoc
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Dutch 2023 Frigate project
2
Replies
70
Views
11K
Anduriel
A
K
MEKAT-100
Replies
6
Views
5K
pedrospe
pedrospe
Antonio
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Invincible class - notes
Replies
25
Views
13K
Kiltonge
Kiltonge
Triton
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IJN "Number 13" Class Fast Battleship
2
Replies
55
Views
20K
Tzoli
Tzoli
blockhaj
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Viking ironclads / barða, járnbarða, járnbarði (iron barde)
2
Replies
53
Views
4K
blockhaj
blockhaj
RP1
NFR-90 and other Pre-Horizon AAW Projects
Replies
34
Views
28K
A Tentative Fleet Plan
A Tentative Fleet Plan
GTX
US Small Uninhabited Surface Vessel (sUSV) developments
Replies
2
Views
391
GTX
GTX
Grey Havoc
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European Unmanned Underwater Vehicle and seabed systems
Replies
2
Views
864
GTX
GTX
Tzoli
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KuK Kriegsmarine Capital Ship Projects
Replies
6
Views
688
Tzoli
Tzoli
JAZZ
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Russian and Soviet Aircraft Carriers
2 3 4 5 6 7 8 9 10
Replies
391
Views
240K
F.L.
F.L.
YourChair
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German WW2 Aircraft Carrier Projects (obscure)
Replies
23
Views
3K
YourChair
YourChair
F.L.
Safineh-class guided-missile destroyer project
Replies
9
Views
2K
Scott Kenny
S
A
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French Skipjack SSNs - proposal, 1963
Replies
14
Views
2K
A Tentative Fleet Plan
A Tentative Fleet Plan
Tzoli
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USS Long Beach Preliminary Studies
2 3
Replies
103
Views
18K
acelanceloet
A
World B4
Mississippi class armament
Replies
17
Views
2K
Scott Kenny
S
Tzoli
Shipyard capacities of Japan
Replies
38
Views
7K
lancer21
L
Orionblamblam
Montana Class BB
2 3 4
Replies
137
Views
25K
drwells42
D
overscan (PaulMM)
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Sea Control Ship (SCS) and VSTOL Support Ship (VSS)
2 3
Replies
119
Views
52K
orlovsky
O
uk 75
Canadian FFG 1960 design
Replies
26
Views
8K
GK Dundas
G
World B4
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Some Imperial Russian warships
2
Replies
60
Views
12K
Dilandu
Dilandu
Antonio
Big Gun submarines
2 3
Replies
109
Views
42K
ptdockyard
ptdockyard
Tzoli
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The Mysterious 1944-45 Gibbs & Cox Battleship
2
Replies
73
Views
14K
BlackBat242
BlackBat242
klem
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A German Mini Submarine in Argentina.
Replies
13
Views
2K
Aeroengineer1
Aeroengineer1
Grey Havoc
Amphibious Assault Landing Craft (AALC) program
Replies
8
Views
5K
TomS
TomS
K
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Evolution of the Design Requirements of the Battleship Project 24
Replies
9
Views
5K
Julio Garay Terrazas
J
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