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Secret Naval Projects

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