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Secret (Unbuilt) Projects
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Secret Naval Projects
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Unbuilt and cancelled ships, subs etc.
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overscan (PaulMM)
Jan 24, 2007
Replies
0
Views
23K
Jan 24, 2007
overscan (PaulMM)
Border and Offshore Submersible Sentry (BOSS) - Russia
Grey Havoc
Tuesday at 5:53 PM
Replies
19
Views
316
Today at 1:45 AM
Kat Tsun
K
Unbuilt Russian special mission submarines
covert_shores
Feb 27, 2017
Replies
14
Views
6K
Today at 12:26 AM
Grey Havoc
T
HELP!
trajan
Friday at 3:46 AM
Replies
24
Views
675
Yesterday at 9:29 AM
cattalonX
C
PA NG - next gen French Aircraft carrier program
JAZZ
Mar 21, 2008
5
6
7
Replies
269
Views
97K
Tuesday at 10:13 PM
H_K
H
RN Concept Designs: HMY(R), Replacement Royal Yacht
RP1
Mar 5, 2013
Replies
26
Views
12K
Tuesday at 9:49 AM
timmymagic
T
Sea Control Ship (SCS) and VSTOL Support Ship (VSS)
overscan (PaulMM)
May 6, 2006
2
Replies
52
Views
34K
Monday at 12:08 AM
Pioneer
P
Naval Gun Projects
RP1
Mar 18, 2007
3
4
5
Replies
181
Views
126K
Apr 8, 2021
Tzoli
P
Brazilian Never-were warship proposals 1920-1940
ptdockyard
Jun 14, 2020
Replies
39
Views
4K
Apr 8, 2021
COLDOWN
Russian and Soviet Aircraft Carriers
JAZZ
Jun 4, 2007
5
6
7
Replies
278
Views
164K
Apr 8, 2021
Hood
The first "Trieste"
archipeppe
Jul 24, 2019
Replies
37
Views
5K
Apr 8, 2021
helmutkohl
NSSN Virginia-class - current status and future
Triton
Feb 2, 2009
5
6
7
Replies
255
Views
94K
Apr 7, 2021
bobbymike
Columbia-class SSBN (SSBN-X Future Follow-on Submarine)
Triton
Dec 21, 2013
2
3
Replies
111
Views
36K
Apr 7, 2021
bobbymike
HSwMS Vasa
Grey Havoc
Apr 7, 2021
Replies
0
Views
183
Apr 7, 2021
Grey Havoc
B
Mothership concepts?
Bgray
Mar 5, 2012
Replies
16
Views
8K
Apr 7, 2021
Grey Havoc
US Navy Regulus SSGN
Triton
Nov 6, 2009
Replies
22
Views
8K
Apr 7, 2021
isayyo2
P
Preliminary design for Netherlands Cruiser DeRuyter with 8" guns
ptdockyard
Jun 27, 2020
Replies
7
Views
2K
Apr 5, 2021
Tzoli
Frégate de Taille Intermédiaire (FTI)
Grey Havoc
Nov 1, 2016
Replies
7
Views
4K
Apr 5, 2021
Grey Havoc
Royal Navy Big Cruiser Designs
Tzoli
Mar 31, 2021
Replies
34
Views
1K
Apr 5, 2021
Volkodav
V
Australia’s 1964 Replacement Carrier Plan
Abraham Gubler
Nov 28, 2009
2
Replies
59
Views
26K
Apr 4, 2021
Thorvic
Really old secret projects (1800s and earlier)
covert_shores
Apr 24, 2015
Replies
38
Views
8K
Apr 4, 2021
Iron Felix
I
Arleigh Burke Class Concepts
Triton
Nov 8, 2009
2
Replies
64
Views
23K
Apr 4, 2021
Grey Havoc
Type 4X Destroyer
Grey Havoc
Apr 14, 2020
2
3
4
Replies
126
Views
8K
Apr 3, 2021
Grey Havoc
C
IJN post Taiho fleet carrier plans
ceccherini
Sep 20, 2019
2
Replies
56
Views
10K
Apr 2, 2021
Tzoli
Unreported Low-Observable Warship From Iran (new catamarans)
covert_shores
Mar 23, 2021
Replies
8
Views
659
Mar 31, 2021
covert_shores
French and other proposals for Canadian nuclear icebreaker (Polar 10) project, late 1970s / early 1980s
Grey Havoc
Mar 28, 2021
Replies
5
Views
339
Mar 29, 2021
Archibald
A
BAE Systems Successor SSBN
Grey Havoc
Oct 1, 2016
2
Replies
47
Views
12K
Mar 28, 2021
Grey Havoc
Vickers Submarine Oil Tanker for BP
TinWing
Mar 7, 2021
Replies
13
Views
835
Mar 23, 2021
A Tentative Fleet Plan
P
Italian Submarines 1895-Present
papacavy
Apr 20, 2017
Replies
8
Views
2K
Mar 23, 2021
Grey Havoc
HMS Hood 1942 Large Repair
Grey Havoc
Mar 28, 2017
2
3
Replies
97
Views
15K
Mar 23, 2021
Pirate Pete
Queen Elizabeth Class (CVF) development
Triton
Aug 10, 2010
7
8
9
Replies
348
Views
100K
Mar 23, 2021
Thorvic
US UUV/AUV Projects (Unmanned/autonomous underwater vehicle)
bobbymike
Apr 5, 2017
Replies
23
Views
7K
Mar 22, 2021
Grey Havoc
Iowa and Alaska Class Conversion Projects
Triton
Jul 17, 2009
3
4
5
Replies
192
Views
70K
Mar 21, 2021
Grey Havoc
N
Keisan Icebreaker
natewillcome4you
Jul 23, 2019
Replies
1
Views
1K
Mar 21, 2021
natewillcome4you
N
T
Identify source of these designs please (It was Warships of the Imperial Japanese Navy, 1869-1945)
trajan
Feb 4, 2021
Replies
19
Views
1K
Mar 20, 2021
cattalonX
C
P
Amphibious operations
PMN1
Aug 1, 2009
Replies
10
Views
5K
Mar 20, 2021
Grey Havoc
US Navy APHNAS (SSN with UGM-89 Perseus / STAM) 1971
Triton
Jul 14, 2009
Replies
10
Views
7K
Mar 18, 2021
Grey Havoc
United Kingdoms W-Class SSN
JAZZ
Aug 8, 2007
Replies
18
Views
14K
Mar 18, 2021
covert_shores
SES concepts 1990's
JAZZ
Sep 23, 2006
Replies
14
Views
8K
Mar 17, 2021
covert_shores
Soviet Navy Project 1231 submersible missile boat
Triton
Nov 13, 2009
Replies
3
Views
5K
Mar 16, 2021
Dilandu
H
Mexican cruiser from 1920s
Hardrada55
Mar 11, 2021
Replies
11
Views
630
Mar 12, 2021
Tzoli
RN Francesco Caracciolo
red admiral
Dec 5, 2006
Replies
11
Views
10K
Mar 11, 2021
Tzoli
T
Wall and Ball "wake-seeking torpedo"
Temistocle
Mar 10, 2021
Replies
5
Views
418
Mar 10, 2021
Dilandu
UK to design new missile boats for Ukraine
AN/AWW-14(V)
Mar 8, 2021
Replies
4
Views
667
Mar 10, 2021
Hood
South African Indigenous Naval Projects?
JFC Fuller
Jan 6, 2010
3
4
5
Replies
162
Views
83K
Mar 10, 2021
kaiserbill
K
Royal Navy Type 45 ("D" Class) Destroyer Daring Class concepts
Triton
Sep 24, 2009
Replies
11
Views
10K
Mar 9, 2021
Grey Havoc
Swimmer Delivery Vehicle projects, old and new
covert_shores
Dec 5, 2014
2
3
4
Replies
157
Views
83K
Mar 9, 2021
Moose
World Submarine Family Tree research megaproject
covert_shores
Mar 7, 2021
Replies
8
Views
538
Mar 8, 2021
Dilandu
K
Fixed torpedo tubes for shore defence
KonTim
Nov 23, 2012
Replies
29
Views
9K
Mar 8, 2021
Dilandu
Russian 'status-6' nuclear attack system
covert_shores
Nov 11, 2015
3
4
5
Replies
161
Views
42K
Mar 7, 2021
Dilandu
Rolls-Royce Advanced Autonomous Waterborne Applications Initiative (AAWAI)
Grey Havoc
Apr 14, 2016
Replies
2
Views
2K
Mar 6, 2021
Grey Havoc
RFA Fleet Solid Support Ship
Triton
Mar 12, 2015
Replies
1
Views
3K
Mar 6, 2021
Grey Havoc
Royal Navy Type 26 Frigate
Thorvic
Jun 24, 2010
2
3
Replies
114
Views
65K
Mar 6, 2021
Grey Havoc
Ansaldo Ship Designs
red admiral
Jan 5, 2009
2
Replies
43
Views
12K
Mar 5, 2021
Phoenix_jz
P
US and German battleship designs for Chile?
Lascaris
Mar 5, 2021
Replies
0
Views
276
Mar 5, 2021
Lascaris
Argentinian Never-Were Warship Designs and Proposals
Tzoli
Nov 12, 2019
6
7
8
Replies
281
Views
29K
Mar 5, 2021
COLDOWN
C
US future submarine concepts.
Charles Gray
Feb 27, 2009
2
Replies
42
Views
50K
Mar 4, 2021
Grey Havoc
S
Navy Unveils 3D-Printed SEAL Sub
seruriermarshal
Jul 25, 2017
Replies
2
Views
2K
Mar 3, 2021
Boombabb2
Effector Payload Module (USN/Strategic Studies Group)
Grey Havoc
Mar 2, 2021
Replies
0
Views
243
Mar 2, 2021
Grey Havoc
British Sigint Ship Programme
Hood
Mar 10, 2012
Replies
25
Views
12K
Mar 1, 2021
uk 75
S
General Dynamics SDV > Swimmer Delivery Vehicle (Convair Model 14)
Stargazer2006
Jun 10, 2010
Replies
2
Views
6K
Feb 28, 2021
fightingirish
New Chinese Type 055 Destroyer
bobbymike
Mar 19, 2016
Replies
17
Views
7K
Feb 27, 2021
Grey Havoc
M
German Midget submarines
moin1900
Jun 18, 2008
Replies
31
Views
21K
Feb 26, 2021
Grey Havoc
M
Marinekleinkampfmittel "MANTA"
moin1900
Mar 6, 2008
Replies
11
Views
9K
Feb 26, 2021
Grey Havoc
I
SSN (X) - Seawolf Redux or something far larger?
Ironmiked
Feb 24, 2021
Replies
14
Views
756
Feb 26, 2021
TomS
F
Jean Bart aircraft carrier conversion
Fr05ty
Apr 8, 2020
Replies
38
Views
4K
Feb 25, 2021
Tzoli
Monarca vs Amerigo Vespucci ships
archipeppe
Feb 24, 2021
Replies
2
Views
289
Feb 25, 2021
archipeppe
CA class Midget submarines (Royal Italian Navy)
Grey Havoc
Jan 19, 2020
Replies
2
Views
1K
Feb 24, 2021
Grey Havoc
USN 'Ghost Fleet' Large Unmanned Surface Vessel (LUSV)
Grey Havoc
Mar 14, 2019
Replies
14
Views
5K
Feb 24, 2021
Grey Havoc
Future Littoral Strike Ship (FLSS)
Grey Havoc
Apr 13, 2020
Replies
13
Views
2K
Feb 23, 2021
uk 75
H.M.S. Speedy (P296, Speedy-class Hydrofoil)
Grey Havoc
Feb 22, 2021
Replies
6
Views
535
Feb 23, 2021
uk 75
SNLE-3G - next gen French SSBN program
covert_shores
Oct 3, 2018
Replies
4
Views
2K
Feb 23, 2021
bobbymike
F
French Aircraft Carrier Never-Were Designs and Proposals
Fr05ty
Aug 28, 2020
2
Replies
48
Views
5K
Feb 22, 2021
helmutkohl
Greek Large Cruiser Design 1939
Tzoli
Nov 25, 2013
2
Replies
42
Views
14K
Feb 22, 2021
able
S
Boeing Model 929 series "Jetfoil" hydrofoil ships
Stargazer2006
Jun 5, 2016
Replies
6
Views
4K
Feb 21, 2021
Grey Havoc
III Reich Aircraft Carrier Projects
Antonio
Mar 21, 2007
Replies
34
Views
27K
Feb 21, 2021
Justo Miranda
J
USN Fleet Carrier Studies (Fall 1945)
Antonio
Feb 14, 2021
Replies
11
Views
1K
Feb 19, 2021
Sherman Tank
Visby follow ons and larger versions.
JAZZ
Nov 17, 2006
Replies
16
Views
13K
Feb 17, 2021
Grey Havoc
1
CVNX never-were aircraft carrier concepts from 1976-77
1Big Rich
May 31, 2020
Replies
6
Views
2K
Feb 15, 2021
Grey Havoc
Nevesbu's projects
Sanglune
Feb 13, 2021
Replies
3
Views
495
Feb 14, 2021
Petrus
C
Early design model of Chinese frigate 053H
cattalonX
Jan 30, 2021
Replies
8
Views
924
Feb 14, 2021
cattalonX
C
Smyge - Swedish stealth ship
Matej
Jul 6, 2009
Replies
1
Views
4K
Feb 13, 2021
Grey Havoc
Fifth RN Polaris: Source for the name "Ramillies"
uk 75
Jul 28, 2011
Replies
5
Views
3K
Feb 13, 2021
TsrJoe
European Patrol Corvette (EPC)
Grey Havoc
Feb 12, 2020
Replies
11
Views
2K
Feb 13, 2021
uk 75
Arctic Offshore Patrol Ship (AOPS)
Grey Havoc
Apr 29, 2013
Replies
1
Views
2K
Feb 13, 2021
Grey Havoc
Izumo Conversion to a Full Scale Carrier
Triton
Nov 30, 2011
2
Replies
49
Views
19K
Feb 13, 2021
Grey Havoc
British Ships Taken Up from Trade (STUFT) other than Falklands
uk 75
May 5, 2018
Replies
1
Views
2K
Feb 12, 2021
Grey Havoc
Type-XXI Submarine with Ursel rockets
covert_shores
Feb 11, 2021
Replies
1
Views
377
Feb 12, 2021
fightingirish
Carrier/Liner hybrid
sienar
Feb 11, 2021
Replies
27
Views
915
Feb 12, 2021
Dilandu
National Maritime Museum gun turret model
JFC Fuller
May 6, 2013
Replies
33
Views
14K
Feb 10, 2021
Kingpin6100
K
P
Royal Dockyards (never were but not secret..........)
PMN1
Dec 2, 2006
Replies
3
Views
5K
Feb 7, 2021
zen
Z
Strike Cruiser from the 80s
sferrin
Sep 22, 2006
3
4
5
Replies
181
Views
82K
Feb 6, 2021
acelanceloet
A
Atlantik bomber kreuzer
Nick Sumner
Jun 23, 2020
2
Replies
58
Views
5K
Feb 6, 2021
RLBH
R
M
SHINYO Demolition Boats
moin1900
Feb 4, 2008
Replies
17
Views
9K
Feb 6, 2021
airman
C
Chinese submarine 032(1958)
cattalonX
Dec 11, 2020
Replies
2
Views
565
Feb 6, 2021
cattalonX
C
J
WWII era German Hydrofoil projects...
joncarrfarrelly
Sep 6, 2007
Replies
12
Views
13K
Feb 6, 2021
Jemiba
C
Water borne missile A-3 Campbell
Catch-22
Jun 30, 2011
Replies
11
Views
6K
Feb 5, 2021
DWG
Launched directly from hangar
archipeppe
Feb 2, 2021
Replies
22
Views
1K
Feb 5, 2021
Tzoli
Type 31 GPFF
Grey Havoc
Aug 26, 2016
2
Replies
60
Views
17K
Feb 5, 2021
uk 75
Hovermarine HM-4
Triton
Feb 12, 2012
Replies
9
Views
3K
Feb 1, 2021
Fluff
F
Royal Navy Lion Class Battleship series 1938-1945
Tzoli
Oct 3, 2019
2
3
4
Replies
121
Views
22K
Jan 28, 2021
Colonial-Marine
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