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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)
Argentinian Never-Were Warship Designs and Proposals
Tzoli
Nov 12, 2019
2
3
4
Replies
134
Views
11K
1 minute ago
Dilandu
Type 4X Destroyer
Grey Havoc
Apr 14, 2020
2
Replies
47
Views
3K
Today at 4:44 AM
Volkodav
V
F
US destroyer/frigate designs of the 60s & 70s
fishjay
Sep 25, 2010
Replies
14
Views
4K
Yesterday 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
Friday at 3:48 PM
Replies
15
Views
618
Monday at 10:30 AM
Volkodav
V
Queen Elizabeth Class (CVF) development
Triton
Aug 10, 2010
6
7
8
Replies
300
Views
90K
Saturday at 1:29 PM
Grey Havoc
Ohio Replacement Submarine
Triton
Dec 21, 2013
2
Replies
76
Views
29K
Saturday at 10:26 AM
kaiserd
K
Gibbs & Cox project 10921-E: The Destroyer for the Soviet Union
Kingpin6100
May 21, 2020
Replies
1
Views
338
Friday at 1:31 PM
ptdockyard
P
I
Unbuilt PLA Navy projects
iPhone6Minus
Apr 23, 2020
Replies
2
Views
477
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
Kaiser Wilhelm II's Homunculus (and torpedo battleships generally)
Avimimus
Apr 15, 2019
Replies
28
Views
4K
May 16, 2020
royabulgaf
R
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
285
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
318
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
825
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
352
Apr 15, 2020
Grey Havoc
B
Postwar Royal Navy Battleships? (NOT including the Vanguard!)
Blacktail
May 4, 2013
2
3
Replies
82
Views
34K
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
732
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
260
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
260
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
759
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
26K
Apr 6, 2020
Grey Havoc
Non-carrier uses of Essex class carriers in their later years
Grey Havoc
Apr 6, 2020
Replies
0
Views
287
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
608
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
290
Mar 29, 2020
Grey Havoc
Early SCB-27A schemes and SCB-27B
A Tentative Fleet Plan
Mar 27, 2020
Replies
1
Views
358
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
485
Mar 24, 2020
super_cacti
RAF High Speed Launches and other rescue craft
Grey Havoc
Mar 24, 2020
Replies
2
Views
316
Mar 24, 2020
Grey Havoc
Arleigh Burke Class Concepts
Triton
Nov 8, 2009
2
Replies
49
Views
19K
Mar 23, 2020
sferrin
O
Cone-shaped antennas on Carrier islands
observer144
Mar 21, 2020
Replies
2
Views
524
Mar 22, 2020
observer144
O
S
1960s Bundesmarine Olympus-powered Warship
starviking
Mar 17, 2020
Replies
11
Views
714
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
U
Adams vs County
uk 75
Mar 12, 2020
Replies
0
Views
473
Mar 12, 2020
uk 75
U
S
Achevied IJN shinano
sgeorges4
Mar 9, 2020
Replies
5
Views
728
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
544
Mar 6, 2020
Grey Havoc
N
Oscar III SSGN & other Soviet SSGNs
natewillcome4you
Feb 25, 2020
Replies
4
Views
914
Mar 4, 2020
natewillcome4you
N
IJN 61 cm (24") F3 (Experimental) Torpedo
Grey Havoc
Mar 3, 2020
Replies
4
Views
601
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
685
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
Royal Navy Lion Class Battleship series 1938-1945
Tzoli
Oct 3, 2019
Replies
33
Views
6K
Feb 20, 2020
able
A
A
British WW1 concrete build sailing merchant ships
ALVAMA
Apr 7, 2019
Replies
5
Views
2K
Feb 20, 2020
Barrie
B
The Pepsi fleet
Grey Havoc
Jun 15, 2019
Replies
5
Views
2K
Feb 20, 2020
natewillcome4you
N
Type 42 Batch 1 Hull Cut
JFC Fuller
May 24, 2012
Replies
26
Views
13K
Feb 19, 2020
Ron5
R
U
RN Type 44 in HAYNES Type 45 manual
uk 75
Nov 6, 2014
Replies
39
Views
18K
Feb 19, 2020
Hood
T
Żywe torpedy (Living Torpedoes)
Temistocle
Feb 14, 2020
Replies
4
Views
509
Feb 15, 2020
natewillcome4you
N
Russian 'status-6' nuclear attack system
covert_shores
Nov 11, 2015
2
3
4
Replies
142
Views
38K
Feb 9, 2020
panzerfeist1
1
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