Secret Space Projects

Post thread
Unbuilt and cancelled rocket and spacecraft projects. Not for current or historic produced designs.
Triton
NASA Engineers Propose Combining a Rail Gun and a Scramjet to Fire Spacecraft
Replies
3
Views
4K
bring_it_on
bring_it_on
hesham
British MIGRANT 4-Stage Pilotless Rocket to the Moon (1950s)
Replies
0
Views
2K
hesham
hesham
C
    • Like
A rational space program, or, you help the mankind to conquer the space.
Replies
13
Views
8K
bigvlada
B
Triton
    • Like
North American Rockwell/General Dynamics Phase B Shuttle specs
Replies
3
Views
4K
antiquark
A
M
Italian air launched very small sat launcher programme.
Replies
0
Views
2K
muttbutt
M
hesham
North American LRV Space Bomber Project ?
Replies
0
Views
3K
hesham
hesham
Graham1973
Lunar Escape Devices
Replies
6
Views
5K
athpilot
athpilot
G
Baikonour...cosmodrome
Replies
0
Views
1K
gery
G
hesham
Lockheed and NAA RTTOCV Concepts
Replies
0
Views
2K
hesham
hesham
hesham
Venus Swingby Mode for Manned Mars Missions
Replies
0
Views
2K
hesham
hesham
Antonio
Goodyear 3 stage rocket
Replies
7
Views
4K
Michel Van
Michel Van
flateric
Stealth Satellites Sourcebook
Replies
4
Views
4K
athpilot
athpilot
flateric
GD Convair/USAF Suborbital Vehicle (SOV) 1988
Replies
2
Views
4K
hesham
hesham
C
A question about American space stations.
Replies
9
Views
4K
Triton
Triton
C
    • Like
Space 1985, looking ahead.
Replies
11
Views
9K
Michel Van
Michel Van
hesham
Enterprise TSTO
Replies
8
Views
5K
martinbayer
M
W
Bristol Spaceplanes Ltd.
Replies
15
Views
14K
hesham
hesham
Graham1973
Jupiter Orbiting Spacecraft (JOSÉ) - 1970
Replies
0
Views
2K
Graham1973
Graham1973
C
North American Wind Tunnel Model Space Reentry Vehicle Spacecraft
Replies
1
Views
2K
Orionblamblam
Orionblamblam
athpilot
aerospace ralley system (ars)
Replies
3
Views
2K
hesham
hesham
V
Cosmopolis XXI
Replies
5
Views
6K
MaxLegroom
M
R
Bristol Spaceplanes
Replies
10
Views
4K
steelpillow
S
Grey Havoc
NASA seeks proposals for deep space missions
Replies
0
Views
1K
Grey Havoc
Grey Havoc
hesham
North American Aviation Two Stage Reusable Launch Vehicle
Replies
7
Views
4K
Mustang1957
M
Grey Havoc
Space Adventures 2018 Circumlunar Mission
Replies
4
Views
2K
blackstar
B
hesham
Lockheed CL-616 & CL-421
Replies
5
Views
3K
cluttonfred
cluttonfred
FutureSpaceTourist
Aeronautics and Cosmonautics Romanian Association launch vehicles
Replies
16
Views
13K
XP67_Moonbat
XP67_Moonbat
sferrin
A study of early manned Interplanetary Missions (1962) Video
Replies
6
Views
3K
Michel Van
Michel Van
Triton
Boeing Small Launch Vehicle (SLV)
Replies
5
Views
5K
dark sidius
D
Deino
Airbus Defence & Space SpacePlane demonstrator
Replies
2
Views
3K
Grey Havoc
Grey Havoc
M
Douglas Satellite Observatory concept from 1959
Replies
2
Views
2K
martinbayer
M
N
Sperry Gyroscope Co. ad with spacecraft construction
Replies
1
Views
2K
nyrath
N
hesham
Boeing Mars Vehicle of 1992
Replies
0
Views
2K
hesham
hesham
A
Space shuttle turbofans for ferry flight
Replies
16
Views
12K
hesham
hesham
SAustin16
Apollo Lunar Module - Emergency Drop Lights
Replies
9
Views
4K
blackstar
B
hesham
Korolev/Tsybin PKA Spacecraft Project of 1959
Replies
4
Views
3K
hesham
hesham
Graham1973
Apollo Lunar Module - Hypergolic Reciprocating Engine Power System.
Replies
0
Views
2K
Graham1973
Graham1973
hesham
Grumman G-619 space shuttle
Replies
9
Views
7K
antiquark
A
Triton
    • Like
Rockwell International Satellite Solar Power Station concept photo
Replies
0
Views
2K
Triton
Triton
Orionblamblam
Rutans rocket-launching kite
Replies
3
Views
2K
Stargazer
Stargazer
C
Lockheed Spaceplane from 1963
Replies
13
Views
8K
Mark Nankivil
M
phrenzy
orbital development flights of small Soviet spaceplane?
Replies
14
Views
6K
blackstar
B
hesham
The VTOL SSTO tree
Replies
0
Views
2K
hesham
hesham
P
Saturn IB Improvement Study, Phase I
Replies
5
Views
5K
luke strawwalker
L
S
Mexican Rocket Program
Replies
2
Views
5K
Stormshadow2186
S
overscan (PaulMM)
  • Locked
MOVED: Space farming
Replies
0
Views
2K
overscan (PaulMM)
overscan (PaulMM)
G
New Design for Launcherone?
Replies
2
Views
2K
Grey Havoc
Grey Havoc
archipeppe
CIRA USV 3
Replies
2
Views
3K
archipeppe
archipeppe
hesham
Europe's Phoenix: Test Craft Sets Stage For Reusable Rocketry
Replies
6
Views
5K
hesham
hesham
overscan (PaulMM)
  • Locked
MOVED: Gemini Interceptor
Replies
0
Views
2K
overscan (PaulMM)
overscan (PaulMM)
airrocket
M6 AADV
Replies
17
Views
7K
XP67_Moonbat
XP67_Moonbat
Grey Havoc
Interkosmos - Soviet Guest Cosmonaut / Foreign Cooperation Program
Replies
0
Views
2K
Grey Havoc
Grey Havoc
XP67_Moonbat
Lebanese Rocket Research Of The 1960's
Replies
7
Views
5K
Grey Havoc
Grey Havoc
Orionblamblam
Tsiolkovsky's space station
Replies
10
Views
12K
bigvlada
B
M
Satellite Interceptors
Replies
3
Views
5K
bigvlada
B
Graham1973
TRW Venus Orbiter Proposal - 1968
Replies
3
Views
4K
OM
OM
G
USAF Orbital Sciences Geosynchronous Space Situational Awareness program (GASP)
Replies
1
Views
3K
blackstar
B
C
Alternative to STS program.
Replies
28
Views
14K
carmelo
C
Graham1973
Module for Automatic Dock and Detumble (MADD) (1973)
Replies
1
Views
3K
blackstar
B
archipeppe
RSC Energia - Zarya Manned Spacecraft
Replies
9
Views
7K
archipeppe
archipeppe
hesham
Russian Space Program Stratoplane Moon Rocket Vintage 1960S
Replies
1
Views
2K
hesham
hesham
A
Any Real Orbital Dropships in development?
Replies
31
Views
13K
bigvlada
B
Michel Van
CNES the Solaris System
Replies
6
Views
5K
blackstar
B
Triton
    • Like
Boeing Martian Recon Vehicle
Replies
1
Views
2K
Grey Havoc
Grey Havoc
J
BOMI civil version
Replies
6
Views
5K
OM
OM
hesham
  • Redirect
Grumman H-33 (drawing number 518) orbiter
Replies
–
Views
–
N/A
Triton
    • Like
McDonnell Douglas Space Science & Applications Platform concept photo
Replies
0
Views
1K
Triton
Triton
D
Air Launch to Orbit Systems
Replies
3
Views
2K
Delta Force
D
Triton
Convair nuclear-powered passenger rocket concept photo and press release
Replies
1
Views
3K
Michel Van
Michel Van
OM
FWD: Giant, Un-Used NASA Rocket Found...?
Replies
10
Views
10K
Desert Dawn
Desert Dawn
magnus_z
Space 'Service Station' by Lockheed-California Company (1962)
Replies
2
Views
3K
magnus_z
magnus_z
Stargazer
Sandia Labs/Scaled Composites Su-25 ROAR (Rocket-On-A-Rope)
Replies
4
Views
7K
Stargazer
Stargazer
Graham1973
    • Like
AVCO - Jupiter Entry Probe (1971)
Replies
9
Views
8K
OM
OM
magnus_z
HELIOS by Krafft Ehricke
Replies
17
Views
13K
Orionblamblam
Orionblamblam
C
Need Help Organizing my Nuclear Warheads
Replies
14
Views
9K
OM
OM
Graham1973
Jovian Turbopause Probe
Replies
6
Views
5K
OM
OM
Johnbr
SpaceX Newsletter
2 3
Replies
83
Views
42K
OM
OM
miraglia
    • Like
Convair Manned Nuclear Interplanetary Vehicle
Replies
8
Views
6K
RanulfC
R
miraglia
Stuhlinger's Mars Nuclear Eletrical Spaceship (Disney version)
Replies
3
Views
4K
OM
OM
Matej
Armstrong-Whitworth Multi-Role Capsule
Replies
4
Views
4K
Barrington Bond
B
Triton
Changcheng 1
Replies
3
Views
3K
x-copied
X
Triton
Dual Keel Space Station
Replies
1
Views
3K
Grey Havoc
Grey Havoc
archipeppe
Project ICARUS: when MIT wanted to save the World....
Replies
7
Views
5K
archipeppe
archipeppe
R
Cargo Rocket Space System Box Wing, the "CRoSSBoW" Air Launch To Orbit concept
Replies
19
Views
14K
RanulfC
R
M
'60s Jack Leynnwood/Northrop Space Artwork
Replies
0
Views
2K
Mark Nankivil
M
Michel Van
CNES - EOLE aerial launch platform -
Replies
4
Views
3K
blackstar
B
XP67_Moonbat
The VEHRA Spaceplane
Replies
10
Views
9K
Matej
Matej
Grey Havoc
N-ROSS (Naval Remote Ocean Sensing System)
Replies
0
Views
2K
Grey Havoc
Grey Havoc
C
Swiss Space Systems (S3)
Replies
14
Views
7K
RGClark
R
hesham
CIRA USV (Unmanned Space Vehicle) Castor and Polluce
Replies
18
Views
13K
antigravite
A
C
"Eclipse", Gemini reloaded
Replies
33
Views
15K
Orionblamblam
Orionblamblam
archipeppe
    • Like
HL-42 PLV
Replies
10
Views
5K
Michel Van
Michel Van
Orionblamblam
Military missions for Nova
Replies
15
Views
9K
OM
OM
V
  • Redirect
North Korean space shuttle
Replies
–
Views
–
N/A
XP67_Moonbat
North Korean Shuttle and Other Space Projects
Replies
18
Views
11K
OM
OM
Jemiba
Sud-Aviation Research Rockets
Replies
3
Views
3K
cardonet
C
A
TASTER Mission to the Trojan Asteroids, JPL Summer School design exercise
Replies
2
Views
2K
antigravite
A
flateric
Burt Rutan's SpaceShip Two and Space Station
Replies
31
Views
16K
Stargazer
Stargazer
archipeppe
    • Like
Saturn C-8
Replies
35
Views
19K
OM
OM
V
Boeing X-37C
Replies
2
Views
7K
blackstar
B
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