Secret Space Projects

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Unbuilt and cancelled rocket and spacecraft projects. Not for current or historic produced designs.
overscan (PaulMM)
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overscan (PaulMM)
overscan (PaulMM)
Michel Van
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Junkers Raumtransporters (Junkers space projects)
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34
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Archibald
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hesham
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Hypersonic Rescue Concept of 2015
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hesham
hesham
Antonio
Nuclear Powered Spacecraft
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SleepyJerry
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Flyaway
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Nancy Grace Roman Telescope
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149
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Flyaway
Flyaway
athpilot
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Kistler K-1 Bedpost Rocket
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7
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galopujacy_jez
galopujacy_jez
Michel Van
Orion: Open question
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22
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Sferrin
Sferrin
XP67_Moonbat
BETA & BETA II Spaceplane?
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30
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galopujacy_jez
galopujacy_jez
robunos
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US 80s TNMTS/AMLS studies aka Shuttle II
2
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50
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Lithos Aves
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bobbymike
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Stoke Space Reusable Rocket
2 3
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98
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Forest Green
Forest Green
flateric
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National Aero-Space Plane - NASP - X-30
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334
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abheiden
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TSARb
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Tu-22M3K + "Skif" Air Launch
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22
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blackstar
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D
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Republic Aviation Recoverable Booster Airplane proposal for SR-181 'Strategic Orbital System'
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12
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TSARb
TSARb
hesham
US ALS (Advanced Launch System) / NLS (National Launch System) Studies
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19
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galopujacy_jez
galopujacy_jez
Michel Van
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Keyhole satellite projects
2
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65
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9K
blackstar
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B
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USAF Manned Orbital Laboratory (MOL)
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464
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202K
Archibald
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galopujacy_jez
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Space Shuttle Expendable Second Stage studies (1970-1971)
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217
galopujacy_jez
galopujacy_jez
A
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Aerospaceplane (1958-1963)
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109
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hesham
hesham
A
Various Indian space projects
2 3
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103
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Gessler
Gessler
Graugrun
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Various South African Space projects,concepts and associated equipment
2 3
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85
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rocketZA
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magnus_z
Russian Mars
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17
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Brett Davidson
Brett Davidson
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Various US Reusable Launch Vehicles (RLV) Projects
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693
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cantfindmeanywhere
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A
Early european rocketry projects
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287
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Michel Van
Michel Van
hesham
First Western publications on Energiya-Buran
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33
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galopujacy_jez
galopujacy_jez
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Bölkow BORAS
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7
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Michel Van
Michel Van
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Program 706 Gemini Interceptor
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3
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508
Byeman
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airrocket
Lunex Lifting Body Reentry
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6
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7K
Маска
Маска
flateric
Early Maneuverable Reentry Vehicle studies
2 3
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111
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Маска
Маска
hesham
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Janus Manned Orbital Spacecraft with Stage Re-Entry
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22
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Michel Van
Michel Van
Tuomasn
Sänger II (Saenger II) aerospaceplane project
2 3
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80
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Akizyro
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Boeing X-20 Dyna-Soar and alternate projects
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443
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239K
Byeman
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O
SPS (Solar Power Satellite) Program of the 70's/80's
2
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79
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32K
galopujacy_jez
galopujacy_jez
Triton
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Nova launch vehicle (post-Saturn)
2 3
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113
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28K
ez2cdave
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airrocket
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1980's McDonnell TAV Concepts
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17
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13K
flateric
flateric
XP67_Moonbat
Indian RLV Tech Demonstrator Test
2
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55
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Gessler
Gessler
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Rocket-Boosted Orbital SR-71 Derivative
2
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78
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martinbayer
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C
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DARPA's RASCAL (Responsive Access, Small Cargo, Affordable Launch) programme
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28
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Dew
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Triton
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Boeing Space Operations Center
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8
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galopujacy_jez
galopujacy_jez
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LittLeo
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8
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TsrJoe
TsrJoe
Michel Van
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Reflect Orbital
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8
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11K
exclaimedleech8
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B
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MBB/ERNO LuftAtmender Raketen-Träger (LART) spaceplane
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18
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martinbayer
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flateric
ASSET photos request
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13
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blackstar
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M
SDI : Nuclear bomb pumped X-Ray Laser
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33
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Scott Kenny
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World B4
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RLA-100 1930s Soviet Space Rocket Design
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3
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1K
Dilandu
Dilandu
A
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Pulsed NTR (not Orion, but TRIGA + NERVA "hybrid")
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3
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4K
Matthew_
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XP67_Moonbat
Air-Launching Satellites
2 3
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111
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Dew
D
hesham
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British Smith-Ross Manned Rocket to the Space (1946)
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3
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4K
martinbayer
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Michel Van
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Ariane 5 Prototypes evolution 1977 to 1985
2
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44
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26K
martinbayer
M
Y
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Cape Canaveral Launch Complexes
2
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54
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33K
Michel Van
Michel Van
Michel Van
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French Space Rocket question
2 3
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93
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37K
cardonet
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flateric
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1966 GD/Convair VL-3A LIFTING ENTRY VEHICLE
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11
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Archibald
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flateric
Lockheed Martin X-33 & Venture Star
2
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74
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Маска
Маска
Skybolt
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MDC Shuttle proposal Phase A - new findings
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26
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Маска
Маска
archipeppe
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RSC Energia - Zarya Manned Spacecraft
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25
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12K
galopujacy_jez
galopujacy_jez
hesham
Aerospatiale Reusable Launcher Concepts
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14
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7K
galopujacy_jez
galopujacy_jez
saturncanuck
Project Constellation
2
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71
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37K
Brett Davidson
Brett Davidson
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Martin Marietta SSTO ( Space Shuttle Competitor)
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10
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3K
Маска
Маска
hesham
NASA/Langley SpaceJet Concept
2
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50
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22K
Маска
Маска
P
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Space Shuttle External Tanks
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29
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publiusr
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flateric
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BAe HOTOL
2 3 4 5
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188
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TsrJoe
TsrJoe
B
Haven't seen that Blackstar recently?
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216
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94K
XP67_Moonbat
XP67_Moonbat
Michel Van
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Chrysler Studies for Hydrogen/Fluorine/Lithium upperstage 1970
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9
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5K
Archibald
A
BlueAbyssal
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Muon Space
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0
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194
BlueAbyssal
BlueAbyssal
Orionblamblam
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Project Orion's "Landing Boat"
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7
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6K
XP67_Moonbat
XP67_Moonbat
Flyaway
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Near-Earth Object (NEO) Surveillance Mission
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8
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2K
blackstar
B
shadowcat48li
Project Orion / Project Daedalus
2 3 4 5
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193
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66K
Alex_semenov1965
Alex_semenov1965
Graham1973
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Thermoelectric Outer Planets Spacecraft (TOPS)
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8
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9K
Graham1973
Graham1973
wpacexxx
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NASA Ames TSTO studies 1990-2000s
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9
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Michel Van
Michel Van
A
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Polyus
2
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56
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37K
Incarn
Incarn
Akagi_Apus
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Strange Rockwell Hybrid Reusable Launch System (RLV)
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7
Views
1K
RanulfC
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subspace5
Mars cycler (manned flyby craft)
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5
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888
subspace5
subspace5
Jemiba
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Inspiration Mars Foundation
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1
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3K
subspace5
subspace5
XP67_Moonbat
NASA TSTO Study
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1
Views
3K
subspace5
subspace5
B
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Dyna-Soar Facilities
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4
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1K
nivek626
nivek626
XP67_Moonbat
Small Unit Space Transport and INsertion (SUSTAIN) and HOT EAGLE
2 3
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116
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45K
RanulfC
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mz
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SDI Brilliant Pebbles
2 3
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105
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34K
NMaude
N
Triton
S-IVB as reusable SSTO
2
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47
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25K
publiusr
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Skybolt
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Other Apollo Projects: What Should Have Been
2 3 4 5
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195
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113K
Archibald
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magnus_z
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Lunar Space Transport in 2001 (General Electric)
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16
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2K
Nigelhg
N
Triton
Soviet N1 rocket
2 3 4
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140
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65K
Flyaway
Flyaway
hesham
Bell Hypersonic Rocket Transport spacecraft
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21
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16K
fightingirish
fightingirish
F
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Rocket Factory Augsburg
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26
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7K
Flyaway
Flyaway
hesham
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Drake-Carman two stage vehicle
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5
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4K
Jimmy Carman Bob's son
J
Michel Van
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MEM: the Mars Excursion Module of the 1960s
2 3 4
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144
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93K
martinbayer
M
P
Blue Streak question
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9
Views
14K
zen
Z
B
Space Station Concepts
2 3 4 5
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194
Views
91K
publiusr
P
C
Holy Gemini !!
2
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70
Views
40K
publiusr
P
wpacexxx
Diagram of the Skif-Stiletto
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1
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427
flateric
flateric
S
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The Jarvis Launcher
2
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42
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26K
Byeman
B
hesham
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GD/Heinemann Future Sub-Orbiter 1964
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3
Views
470
World B4
World B4
World B4
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Mars Ecopoiesis Testbed
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3
Views
445
robunos
robunos
hesham
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ESA study finds in-flight oxidiser collection possible
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7
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4K
publiusr
P
hesham
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Energiya heavy-lift launch vehicle variants
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30
Views
19K
Dmitry V.
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Flyaway
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Persephone: A Pluto-System Orbiter & Kuiper Belt Explorer
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8
Views
2K
blackstar
B
Grey Havoc
International Lunar Research Station (Sino-Russian project)
Replies
25
Views
9K
Scott Kenny
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B
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Shuttle Single Orbit Mission
Replies
2
Views
603
dannydale
dannydale
Flyaway
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NEPTUNE-ODYSSEY:NASA Mission to the Neptune-Triton System
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3
Views
2K
World B4
World B4
Flyaway
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Hopping Pluto Lander Concept
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3
Views
2K
World B4
World B4
Flyaway
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Buccaneers of the high frontier: Program 989 SIGINT satellites from the ABM hunt to the Falklands War to the space shuttle
Replies
12
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4K
blackstar
B
Skybolt
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Martin early space station - 1960
Replies
7
Views
6K
leovinus2001
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TheKutKu
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Chinese orbital launcher projects
Replies
15
Views
5K
cattalonX
C
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