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Secret (Unbuilt) Projects
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Secret Naval Projects
Unbuilt and cancelled ships, subs etc.
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overscan (PaulMM)
Jan 24, 2007
Replies
0
Views
21K
Jan 24, 2007
overscan (PaulMM)
Type 4X Destroyer
Grey Havoc
Apr 14, 2020
2
Replies
73
Views
3K
Today at 11:12 AM
zen
Z
G3 Battle Cruiser and N3 Battleship
Woody
Apr 6, 2007
2
3
Replies
96
Views
76K
Yesterday at 8:23 PM
1Big Rich
1
Royal Navy new-build Carriers 1920-24
JFC Fuller
Yesterday at 1:40 PM
Replies
1
Views
98
Yesterday at 3:15 PM
PMN1
P
1
CVNX never-were aricraft carrier concepts from 1976-77
1Big Rich
Yesterday at 2:54 PM
Replies
0
Views
101
Yesterday at 2:54 PM
1Big Rich
1
United States Navy - Aircraft Carrier No. 2 (1922)
Graham1973
Yesterday at 4:18 AM
Replies
4
Views
185
Yesterday at 1:48 PM
1Big Rich
1
United States Navy - Aircraft Carrier 'Scheme A' (1941)
Graham1973
Yesterday at 11:01 AM
Replies
3
Views
115
Yesterday at 12:13 PM
A Tentative Fleet Plan
Austro-Hungarian Navy non-capital ship designs
Tzoli
Nov 7, 2015
Replies
18
Views
8K
Yesterday at 9:37 AM
Dilandu
Argentinian Never-Were Warship Designs and Proposals
Tzoli
Nov 12, 2019
2
3
4
Replies
150
Views
12K
Saturday at 6:03 PM
COLDOWN
U
Adams vs County
uk 75
Mar 12, 2020
Replies
13
Views
801
Saturday at 2:37 PM
uk 75
U
Kaiser Wilhelm II's Homunculus (and torpedo battleships generally)
Avimimus
Apr 15, 2019
Replies
29
Views
4K
Saturday at 6:54 AM
Graham1973
Ohio Replacement Submarine
Triton
Dec 21, 2013
2
3
Replies
83
Views
29K
Friday at 11:36 PM
Rhinocrates
Air Defense Ship (ADS)/Indigenous Aircraft Carrier (IAC)/Vikrant-class Carrier
TinWing
Apr 13, 2008
2
Replies
52
Views
31K
Friday at 2:07 PM
Grey Havoc
Arleigh Burke Class Concepts
Triton
Nov 8, 2009
2
Replies
50
Views
20K
Friday at 1:47 PM
Volkodav
V
F
US destroyer/frigate designs of the 60s & 70s
fishjay
Sep 25, 2010
Replies
14
Views
4K
Wednesday at 11:53 AM
TomS
US UUV/AUV Projects (Unmanned/autonomous underwater vehicle)
bobbymike
Apr 5, 2017
Replies
18
Views
6K
Tuesday at 3:54 PM
bobbymike
U
RN Type 21 weapons fits
uk 75
May 22, 2020
Replies
15
Views
665
May 25, 2020
Volkodav
V
Queen Elizabeth Class (CVF) development
Triton
Aug 10, 2010
6
7
8
Replies
300
Views
90K
May 23, 2020
Grey Havoc
K
Gibbs & Cox project 10921-E: The Destroyer for the Soviet Union
Kingpin6100
May 21, 2020
Replies
1
Views
368
May 22, 2020
ptdockyard
P
I
Unbuilt PLA Navy projects
iPhone6Minus
Apr 23, 2020
Replies
2
Views
499
May 20, 2020
Sam-Yukikaze
S
Multirole Combat Ship 180 (MKS 180, formerly K131)
Grey Havoc
Oct 17, 2016
Replies
8
Views
6K
May 17, 2020
Moose
European Patrol Corvette (EPC)
Grey Havoc
Feb 12, 2020
Replies
4
Views
1K
May 17, 2020
Grey Havoc
BAE Systems Successor SSBN
Grey Havoc
Oct 1, 2016
Replies
25
Views
9K
May 17, 2020
Grey Havoc
U
County Class Destroyers: Alternative options for development
uk 75
Nov 11, 2008
Replies
29
Views
14K
May 15, 2020
Tzoli
Really old secret projects (1800s and earlier)
covert_shores
Apr 24, 2015
Replies
28
Views
6K
May 13, 2020
Jemiba
British Sigint Ship Programme
Hood
Mar 10, 2012
Replies
27
Views
11K
May 11, 2020
The Skipper
T
F
Future French Naval Concept: the Swordship
Firefly 2
Feb 19, 2007
Replies
37
Views
44K
May 6, 2020
Grey Havoc
NSSN Virginia-class - current status and future
Triton
Feb 2, 2009
4
5
6
Replies
231
Views
87K
May 6, 2020
uk 75
U
C
Chinese semi submersible arsenal ship
collins355
May 27, 2017
Replies
8
Views
3K
May 5, 2020
jsport
J
G
WWI Royal Navy QE and R follow on Battleship Designs
GottJäger
Mar 2, 2020
2
Replies
46
Views
3K
May 1, 2020
JFC Fuller
T
Did the German 3,7 cm Flak SK C/36 (repost from Guns section)
Tony Williams
May 1, 2020
Replies
0
Views
293
May 1, 2020
Tony Williams
T
F
Jean Bart aircraft carrier conversion
Fr05ty
Apr 8, 2020
Replies
21
Views
1K
Apr 29, 2020
Archibald
A
CGV the The USN Cruiser/Carrier of 1997 (?)
Brickmuppet
Apr 2, 2008
Replies
8
Views
6K
Apr 29, 2020
Grey Havoc
C
"Ultimate battleship" designs
ceccherini
Feb 2, 2019
2
Replies
58
Views
8K
Apr 29, 2020
Tzoli
U
Saunders Roe Hovercraft Aircraft Carrier
uk 75
Jul 7, 2011
2
Replies
63
Views
23K
Apr 29, 2020
Jemiba
RN Nuclear NIGS ship
JFC Fuller
Nov 8, 2009
8
9
10
Replies
370
Views
86K
Apr 27, 2020
Tzoli
Royal Navy Type 26 Frigate
Thorvic
Jun 24, 2010
2
3
Replies
115
Views
61K
Apr 24, 2020
TomS
Frégate de Taille Intermédiaire (FTI)
Grey Havoc
Nov 1, 2016
Replies
4
Views
3K
Apr 23, 2020
Grey Havoc
T
GDR Volksmarine Modernisation
thebig C
Mar 6, 2012
Replies
19
Views
16K
Apr 23, 2020
uk 75
U
U
Royal Navy Cold War Minelayers
uk 75
Apr 22, 2020
Replies
5
Views
333
Apr 23, 2020
Grey Havoc
New Design Russia Type 23560E Shkval Destroyer
bobbymike
May 15, 2015
2
Replies
42
Views
19K
Apr 23, 2020
Grey Havoc
Royal Navy Future Surface Combatant (FSC) - until late 2004
Triton
Sep 4, 2010
Replies
11
Views
6K
Apr 22, 2020
TomS
Mystery Frigate drawing on Converteam Webpage
TinWing
Nov 17, 2008
Replies
4
Views
4K
Apr 22, 2020
Grey Havoc
Royal Navy Type 45 ("D" Class) Destroyer Daring Class concepts
Triton
Sep 24, 2009
Replies
8
Views
8K
Apr 22, 2020
Grey Havoc
C
IJN post Taiho fleet carrier plans
ceccherini
Sep 20, 2019
Replies
35
Views
4K
Apr 21, 2020
Tzoli
S
Electric Submarines
shin_getter
Apr 17, 2020
Replies
19
Views
831
Apr 19, 2020
Hobbes
H
Iowa and Alaska Class Conversion Projects
Triton
Jul 17, 2009
2
3
4
Replies
128
Views
59K
Apr 16, 2020
Grey Havoc
Commercial (or Semi Commercial) Cargo Submarines
RyanCrierie
Jun 4, 2010
Replies
28
Views
20K
Apr 16, 2020
Julio Garay Terrazas
J
National Security Multi-Mission Vessels (NSMV)
Grey Havoc
Apr 15, 2020
Replies
0
Views
357
Apr 15, 2020
Grey Havoc
B
Postwar Royal Navy Battleships? (NOT including the Vanguard!)
Blacktail
May 4, 2013
2
3
Replies
82
Views
35K
Apr 15, 2020
Grey Havoc
Several Arsenal ship concepts
sferrin
Aug 31, 2006
2
3
4
Replies
132
Views
65K
Apr 15, 2020
jsport
J
R
SKYHOOK Harrier Carrier.
rabid stoat
Aug 29, 2007
Replies
25
Views
32K
Apr 15, 2020
Purpletrouble
P
'Tracked' Mini Submarines in Swedish waters - 1980's
Mr London 24/7
Aug 3, 2010
2
Replies
50
Views
33K
Apr 15, 2020
Mr London 24/7
Future Littoral Strike Ship (FLSS)
Grey Havoc
Apr 13, 2020
Replies
9
Views
747
Apr 15, 2020
Purpletrouble
P
Russian and Soviet Aircraft Carriers
JAZZ
Jun 4, 2007
4
5
6
Replies
216
Views
149K
Apr 15, 2020
Spaceman
S
ASTOR Mk45 nuclear torpedo.
sferrin
Apr 15, 2020
Replies
1
Views
271
Apr 15, 2020
TomS
RN warship 2050: project Startpoint
covert_shores
Aug 31, 2015
Replies
20
Views
7K
Apr 14, 2020
Purpletrouble
P
U
Royal Navy nuclear surface ships
uk 75
Dec 10, 2006
2
Replies
56
Views
28K
Apr 14, 2020
TomS
SRN4 Hovercraft concepts
Triton
Sep 4, 2010
Replies
4
Views
4K
Apr 14, 2020
flateric
Chinese Nuclear Powered Icebreaker Project
sferrin
Jun 25, 2018
Replies
21
Views
4K
Apr 14, 2020
Grey Havoc
Royal Navy XLUUV program (Manta-class drone submarine)
Grey Havoc
Apr 13, 2020
Replies
0
Views
271
Apr 13, 2020
Grey Havoc
M
SHINYO Demolition Boats
moin1900
Feb 4, 2008
Replies
14
Views
8K
Apr 13, 2020
Grey Havoc
DCN-PA-2 and DCNS Carrier Designs
JAZZ
Mar 21, 2008
2
3
Replies
93
Views
78K
Apr 10, 2020
Hobbes
H
U
RN Type 19 Frigate
uk 75
Oct 12, 2009
Replies
37
Views
15K
Apr 10, 2020
uk 75
U
U
Royal Navy Escort Cruiser again
uk 75
Mar 12, 2018
Replies
11
Views
3K
Apr 10, 2020
uk 75
U
Britten-Norman Cushioncraft
Jemiba
Nov 27, 2013
Replies
7
Views
3K
Apr 9, 2020
hesham
R
1943 British Battleship Aircraft Carrier Concept
Ron5
Apr 7, 2020
Replies
8
Views
768
Apr 8, 2020
Purpletrouble
P
R
Soviet unbuilt projects
rousseau
Sep 12, 2006
2
3
Replies
94
Views
70K
Apr 7, 2020
Iron Felix
I
DCNS SMX-25 SSGT concept
Triton
Nov 18, 2010
Replies
18
Views
23K
Apr 6, 2020
Grey Havoc
Low Profile Landing Craft (LPLC)
covert_shores
Sep 14, 2016
Replies
23
Views
7K
Apr 6, 2020
shin_getter
S
E
Italian Never Build from 1975 to today
enrr
Dec 16, 2008
Replies
35
Views
34K
Apr 6, 2020
Tzoli
A
BB-72 to BB-78, post-Montana battleships ?
Archibald
Apr 6, 2007
2
Replies
42
Views
27K
Apr 6, 2020
Grey Havoc
Non-carrier uses of Essex class carriers in their later years
Grey Havoc
Apr 6, 2020
Replies
0
Views
295
Apr 6, 2020
Grey Havoc
The Real Sparviero Aircraft Carrier
archipeppe
Sep 4, 2019
2
Replies
40
Views
6K
Apr 6, 2020
archipeppe
M
WW1 Torpedo and Demolition Boats
moin1900
Apr 26, 2008
Replies
8
Views
8K
Apr 4, 2020
Iron Felix
I
U
GW series of British Missile Cruisers
uk 75
Oct 27, 2009
3
4
5
Replies
175
Views
48K
Apr 3, 2020
Grey Havoc
J
'Never was' russian/soviets warship conversions pages
Julio Garay Terrazas
Apr 2, 2020
Replies
6
Views
617
Apr 3, 2020
Grey Havoc
Naval Gun Projects
RP1
Mar 18, 2007
2
3
4
Replies
156
Views
119K
Apr 1, 2020
Tzoli
US Navy carrier named to honour Doris Miller
kaiserd
Jan 20, 2020
2
Replies
41
Views
2K
Mar 30, 2020
Archibald
A
U
1952 RN Hospital Ship Maine
uk 75
Feb 20, 2014
Replies
5
Views
3K
Mar 29, 2020
uk 75
U
One for UK75 (RN Amphibs Mid-70s)
JFC Fuller
Jun 30, 2012
Replies
19
Views
8K
Mar 29, 2020
uk 75
U
Hospital Ships
Grey Havoc
Mar 29, 2020
Replies
0
Views
296
Mar 29, 2020
Grey Havoc
Early SCB-27A schemes and SCB-27B
A Tentative Fleet Plan
Mar 27, 2020
Replies
1
Views
372
Mar 27, 2020
A Tentative Fleet Plan
Japanese Medium calibre anti-aircraft guns.
JFC Fuller
Mar 11, 2010
Replies
8
Views
7K
Mar 25, 2020
Secundius
S
Boulton Paul Type A turret on the Hr.Ms. Flores
super_cacti
Mar 24, 2020
Replies
4
Views
493
Mar 24, 2020
super_cacti
RAF High Speed Launches and other rescue craft
Grey Havoc
Mar 24, 2020
Replies
2
Views
320
Mar 24, 2020
Grey Havoc
O
Cone-shaped antennas on Carrier islands
observer144
Mar 21, 2020
Replies
2
Views
531
Mar 22, 2020
observer144
O
S
1960s Bundesmarine Olympus-powered Warship
starviking
Mar 17, 2020
Replies
11
Views
724
Mar 18, 2020
RLBH
R
Original French MASURCA ship program
JFC Fuller
Mar 10, 2016
Replies
7
Views
3K
Mar 17, 2020
Grey Havoc
P
Early submarine (1700 to 1900) unbuilt project ?
pacino
Nov 27, 2010
Replies
10
Views
7K
Mar 16, 2020
Iron Felix
I
S
Achevied IJN shinano
sgeorges4
Mar 9, 2020
Replies
5
Views
737
Mar 10, 2020
sgeorges4
S
‘BLACK SWAN’ Class Sloop-Of-War
Grey Havoc
Jun 9, 2012
Replies
4
Views
6K
Mar 9, 2020
Grey Havoc
Project Habakkuk
Triton
Oct 18, 2009
2
Replies
44
Views
34K
Mar 6, 2020
Grey Havoc
A
Photo archive
aircondoc
Mar 5, 2020
Replies
4
Views
551
Mar 6, 2020
Grey Havoc
N
Oscar III SSGN & other Soviet SSGNs
natewillcome4you
Feb 25, 2020
Replies
4
Views
921
Mar 4, 2020
natewillcome4you
N
IJN 61 cm (24") F3 (Experimental) Torpedo
Grey Havoc
Mar 3, 2020
Replies
4
Views
607
Mar 4, 2020
natewillcome4you
N
N
Levkov hovercraft
Nagumo
Jan 31, 2014
Replies
13
Views
6K
Mar 1, 2020
ptdockyard
P
Amagi and Akagi Carrier Preliminaries
Tzoli
Feb 28, 2020
Replies
1
Views
694
Feb 28, 2020
Grey Havoc
C
Japanese 'dream project' battleships and never built battleships
ceccherini
Sep 3, 2017
2
Replies
47
Views
20K
Feb 22, 2020
miker
M
US Navy Ship Characteristic Board (SCB) Numbers
RyanCrierie
Sep 22, 2008
Replies
5
Views
13K
Feb 21, 2020
A Tentative Fleet Plan
Turkeys 600$ mln FAC Projects
stimpy75
Apr 7, 2014
Replies
26
Views
12K
Feb 21, 2020
stimpy75
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