Secret Space Projects

Post thread
Unbuilt and cancelled rocket and spacecraft projects. Not for current or historic produced designs.
A
Indian near future developments
Replies
33
Views
17K
bobbymike
bobbymike
Orionblamblam
    • Like
    • Haha
Martin EGRESS
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6
Views
1K
publiusr
P
thatdronedude
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Laser Battle Station Model Kit Inspiration
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9
Views
2K
thatdronedude
thatdronedude
boxkite
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Chelomey / NPO Mashinostroyeniya LKS
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23
Views
8K
thatdronedude
thatdronedude
F
cFASTT-1 Spaceplane with SABRE Engine
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16
Views
16K
Rhinocrates
Rhinocrates
Grey Havoc
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Lunar Hilton (late 1960s)
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7
Views
2K
Rhinocrates
Rhinocrates
hesham
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The Megaroc,Man-Carrying Rocket Proposal
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3
Views
4K
Grey Havoc
Grey Havoc
Grey Havoc
International Lunar Research Station (Sino-Russian project)
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21
Views
5K
Grey Havoc
Grey Havoc
Orionblamblam
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Military Orions (nuclear pulse propulsion)
2
Replies
53
Views
38K
Christopher Wang
C
U
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MIGBUS suborbital system
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3
Views
3K
Byeman
B
Flyaway
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Mariner 4
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3
Views
997
gwiz
G
Triton
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1960s Voyager to Mars program
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32
Views
14K
that_person
that_person
Grey Havoc
NASA Lunar gardens?
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5
Views
3K
publiusr
P
Triton
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USAF interplanetary spacecraft concept using SPUR
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15
Views
8K
Grey Havoc
Grey Havoc
XP67_Moonbat
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Salyut-Skylab Space Station
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6
Views
6K
Grey Havoc
Grey Havoc
Flyaway
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NG Mission Extension Vehicle
Replies
19
Views
5K
Flyaway
Flyaway
Michel Van
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ARCA Haas 2CA rocket (SSTO with aerospike engine)
2
Replies
78
Views
25K
Rhinocrates
Rhinocrates
Grey Havoc
    • Like
Trevor Paglen 'Orbital Reflector'
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0
Views
797
Grey Havoc
Grey Havoc
Graham1973
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Between Voyager & Viking
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28
Views
12K
Grey Havoc
Grey Havoc
Grey Havoc
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Lincoln Experimental Satellite series
Replies
1
Views
1K
Grey Havoc
Grey Havoc
Graham1973
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Synchronous Earth Observation Satellite (SEOS) - 1973
Replies
4
Views
3K
Grey Havoc
Grey Havoc
Michel Van
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Manned "Cloudbase" in Venus Atmosphere
2
Replies
55
Views
40K
publiusr
P
F
US space station
2
Replies
44
Views
24K
publiusr
P
Flyaway
NASA To Study Uranus, Neptune Orbiters
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8
Views
3K
publiusr
P
Caravellarella
General Electric MOOSE orbital emergency descent project......
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24
Views
5K
Orionblamblam
Orionblamblam
G
Reusable One-stage Orbital Space Truck
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12
Views
10K
Archibald
A
Orionblamblam
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Space Defense Platform
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0
Views
924
Orionblamblam
Orionblamblam
athpilot
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Kistler K-1 Bedpost Rocket
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6
Views
2K
Hydroman
H
Graham1973
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    • Wow
Ranger 'X' - Lunar Flyby with film return capsule
Replies
1
Views
3K
Grey Havoc
Grey Havoc
G
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RAF Manned Capsule
Replies
26
Views
15K
TsrJoe
TsrJoe
Michel Van
Darwin Launch Site in Australia
Replies
9
Views
5K
GTX
GTX
Stargazer
LII/TMZ BOR-4 space shuttle development program
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17
Views
11K
publiusr
P
boxkite
    • Wow
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Chelomey NPOMash Raketoplan projects
Replies
7
Views
3K
flateric
flateric
sferrin
Lockheed Martin Mars Base Camp Concept
Replies
39
Views
11K
X-39
X-39
S
Marquardt SERJ Unicorn
Replies
6
Views
1K
Seekr
S
B
Space Station Concepts
2 3 4 5
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166
Views
70K
publiusr
P
Grey Havoc
    • Like
    • Wow
Soviet Space Elevator (1970)
Replies
13
Views
3K
klem
klem
P
    • Like
UK catamaran rocket launch vessel??
Replies
2
Views
4K
publiusr
P
FutureSpaceTourist
Spirit of Liberty/Altaris space tourism RLVs
Replies
27
Views
10K
publiusr
P
A
Chinese nuclear space propulsion studies for deep-space exploration
Replies
10
Views
7K
Archibald
A
Michel Van
ERNO Large Ariane 5 Return Capsule (LaReCa)
Replies
9
Views
5K
steelpillow
S
Rhinocrates
    • Like
Kyoto University-Kajima Corporation Moon Glass
Replies
1
Views
786
TheRejectionist
T
Triton
    • Like
LM-B/Space Tug
2
Replies
54
Views
11K
tea monster
tea monster
Bill S
LTV Space Taxi and Maneuvering Work Platform
Replies
9
Views
5K
Orionblamblam
Orionblamblam
bobbymike
NASA Makes Their Entire Media Library Publicly Accessible And Copyright Free
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6
Views
1K
Byeman
B
Michel Van
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The Exploration Company and Nyx Spacecraft
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15
Views
2K
Archibald
A
B
NORD VERAS
Replies
15
Views
4K
Archibald
A
hesham
US ALS (Advanced Launch System) / NLS (National Launch System) Studies
Replies
17
Views
14K
XP67_Moonbat
XP67_Moonbat
cluttonfred
Reusable microsatellite launcher?
Replies
11
Views
5K
martinbayer
M
klem
Emilio Herrera the "Spanish Jules Verne".
Replies
1
Views
736
Dilandu
Dilandu
XP67_Moonbat
Project HOT EAGLE-- Marine Space Transport
2 3
Replies
82
Views
32K
RanulfC
R
fightingirish
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Soviet space-to-space guided missile
Replies
14
Views
4K
World B4
World B4
Triton
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Saturn V-4X(U) what was it for?
Replies
12
Views
10K
publiusr
P
C
    • Like
Apollo "spying" mission??
Replies
30
Views
8K
NMaude
N
C
Dassault Rafale small-satellite launcher
Replies
17
Views
10K
Archibald
A
Orionblamblam
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Space planning: 1963
Replies
16
Views
2K
Byeman
B
Flyaway
    • Like
Spektr-RG X-Ray observatory
Replies
32
Views
5K
Flyaway
Flyaway
flateric
Lockheed-Martin OSP model on eBay
Replies
15
Views
8K
Byeman
B
A
French TSTO studies of the 60's
2
Replies
57
Views
22K
publiusr
P
World B4
armed Progress test vehicles
Replies
2
Views
965
Nik
Nik
Flyaway
    • Like
Stealing secrets from the ether: missile and satellite telemetry interception during the Cold War
Replies
4
Views
2K
blackstar
B
Johnbr
    • Like
Manned Venus Flyby: Apollo’s Hail Mary Pass
Replies
27
Views
16K
Archibald
A
BESTUZHEV
    • Like
Early Soviet Moon spacecraft
Replies
7
Views
4K
Space Baron
S
voskhod
Israeli cryogenic transfer module for GEO insertion
Replies
6
Views
1K
voskhod
voskhod
Flyaway
    • Like
NRO Historical Launches
Replies
1
Views
1K
ltoddp
L
Michel Van
Billboards in Space...
Replies
22
Views
7K
NERVA
N
voskhod
    • Like
STAR 460 - Unmaterialized Israeli design for heavy lift SLV
Replies
6
Views
2K
martinbayer
M
Grey Havoc
United Launch Alliance/Blue Origin tie-up (RD-180 engine replacement project)
Replies
30
Views
10K
Byeman
B
flateric
NASA Lunar Walker
Replies
24
Views
9K
Arjen
Arjen
N
    • Like
Convair Hyperion source documents?
Replies
3
Views
3K
numbers station
numbers station
Gaafar
    • Like
Arab Spacecraft projects
Replies
23
Views
2K
Byeman
B
Flyaway
Defense Meteorological Support Program (DMSP)
Replies
2
Views
1K
Byeman
B
athpilot
    • Like
Comet Rocket 1992/93 HLLV
Replies
2
Views
2K
Byeman
B
hesham
    • Like
Chelomey Suborbital Troop Carrier/Recon Spaceplane
Replies
16
Views
7K
publiusr
P
B
SLOMAR
2
Replies
56
Views
28K
antigravite
A
Grey Havoc
Space Manufacturing Hub (Australia)
Replies
0
Views
994
Grey Havoc
Grey Havoc
XP67_Moonbat
Air-Launching Satellites
2 3
Replies
107
Views
43K
blackstar
B
S
Marquardt SERJ lost engibr
Replies
0
Views
664
Seekr
S
Gaafar
Space Weapons
Replies
5
Views
1K
publiusr
P
Skybolt
    • Like
MDC Shuttle proposal Phase A - new findings
Replies
19
Views
11K
Mark Nankivil
Mark Nankivil
D
Ford Aeronutronic Space Train Concept
Replies
0
Views
1K
Deleted member 2278
D
M
Are there new concepts of space tugs?
Replies
6
Views
2K
GARGEAN
G
DarkLord
Early Saturn designs
Replies
10
Views
6K
Deleted member 2278
D
sat_dxer
    • Like
Henderson Island Satellite Recovery Survey Mission
Replies
12
Views
1K
sat_dxer
sat_dxer
Flyaway
    • Like
SPARTAN reconnaissance satellite
Replies
9
Views
1K
blackstar
B
Graham1973
    • Like
Surveyor A-21A
Replies
31
Views
12K
blackstar
B
Flyaway
Geosynchronous Space Situational Awareness Program (GSSAP)
Replies
18
Views
7K
Flyaway
Flyaway
Grey Havoc
Spartan hypersonic launch system (University of Queensland, Austrialia)
Replies
3
Views
3K
edwest4
E
A
    • Like
Air-launch from B-58 or A-12 OXCART - 1962
Replies
37
Views
4K
blackstar
B
archipeppe
Tremulis spaceplane
Replies
30
Views
17K
peter.tremulis@alphaterra
P
XP67_Moonbat
EMPIRE Concept
Replies
5
Views
3K
Jcking
J
D
    • Like
    • Love
    • Wow
McDonnell MRLS
Replies
10
Views
2K
Dew
D
bobbymike
Baby Steps for 'Warp Drive'?
Replies
23
Views
13K
robunos
robunos
bearnard97
    • Like
3D printing technology for some space stuff
Replies
16
Views
2K
riggerrob
R
Flyaway
Venus Plane Pushed by NG for Next NASA Next Frontiers Mission
Replies
17
Views
7K
Flyaway
Flyaway
B
Martin RENE
Replies
21
Views
9K
publiusr
P
Triton
    • Like
Apollo CSM-derived projects
Replies
21
Views
13K
Archibald
A
B
Modular Space Station Evolving from Gemini (1962)
Replies
16
Views
9K
publiusr
P
Michel Van
    • Wow
    • Like
Ariane ULTIMATE
Replies
12
Views
3K
TMA1
TMA1
Michel Van
Interorbital Systems NEPTUNE Rocket
Replies
13
Views
4K
publiusr
P
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