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)
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Stratolaunch
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Hydroman
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bobbymike
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DARPA Blackjack
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jsport
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KH-11 KENNEN
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Flyaway
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SPS (Solar Power Satellite) Program of the 70's/80's
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publiusr
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Triton
Soviet N1 rocket
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75
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Archibald
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US Lifting Bodies Studies - START (ASSET/PRIME), FDL, X-24, etc.
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Orionblamblam
Orionblamblam
Skybolt
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By solids to the Moon: all-solid JPL Nova proposal
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Mike_A
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magnus_z
Manned spacecraft (Russia 2018)
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2
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tequilashooter
tequilashooter
flateric
USAF/NASA RLV programs from the past - AMSCI, Science Dawn, Have Region, etc
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flateric
flateric
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Current proposed missions to the planet Venus
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16
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tequilashooter
tequilashooter
Grey Havoc
International Lunar Research Station (Sino-Russian project)
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14
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tequilashooter
tequilashooter
Michel Van
ARCA Haas 2CA rocket (SSTO with aerospike engine)
2
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53
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16K
Michel Van
Michel Van
Grey Havoc
Russian National Reusable Space Rocket program
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25
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publiusr
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Antonio
Nuclear Powered Spacecraft
2
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68
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Grey Havoc
Grey Havoc
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Spybirds: POPPY 8 and the dawn of satellite ocean surveillance
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10
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blackstar
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MOL
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380
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blackstar
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Grey Havoc
Russian next generation space station?
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31
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tequilashooter
tequilashooter
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British Spaceflight
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39
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6K
Grey Havoc
Grey Havoc
FutureSpaceTourist
Spirit of Liberty/Altaris space tourism RLVs
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25
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publiusr
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Graham1973
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Hughes/Sandia - Pioneer Mars Orbiter (1974)
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22
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Archibald
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Grey Havoc
ESA 'Lunar Village' proposal
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7
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Rhinocrates
Rhinocrates
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Sänger antipodal bomber
2
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67
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numbers station
numbers station
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Dynasoar
7 8 9
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326
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numbers station
numbers station
hesham
Douglas Astro delta-wing spacecraft
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37
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numbers station
numbers station
Michel Van
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Ariane ULTIMATE
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10
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806
TomcatViP
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Spektr-RG X-Ray observatory
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29
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Flyaway
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Doomsday weapons and weapons to end all wars
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N/A
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ESA CHEOPS Mission
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12
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Flyaway
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ESA Gaia Spacecraft
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17
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Flyaway
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hesham
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NASA Mars Unmanned Aircraft
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3
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Grey Havoc
Grey Havoc
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Upgrading Russia’s fleet of optical reconnaissance satellites
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4
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920
tequilashooter
tequilashooter
flateric
National AeroSpace Plane - NASP - X-30
4 5 6
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201
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RAP
RAP
XP67_Moonbat
Iranian Space Launches
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29
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Flyaway
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India Future Manned Space projects
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15
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6K
cattalonX
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The Black Arrow & Britain’s Rocket Program
2
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62
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PMN1
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Michel Van
The (cancelled) second production run of Saturn Vs
2 3 4
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132
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dannydale
dannydale
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DART Mission
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13
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2K
chimeric oncogene
chimeric oncogene
F
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The story of the docking of Soyuz 4 & 5
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1
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756
Grey Havoc
Grey Havoc
FutureSpaceTourist
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Space Shuttle passenger module concepts
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21
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blackstar
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SLOMAR
2
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54
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iverson
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Johnbr
SpaceX Falcon Heavy
5 6 7
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267
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WilliamMook
WilliamMook
overscan (PaulMM)
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Rockwell International Star-Raker
2
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58
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ReprobateJoeshmoe
ReprobateJoeshmoe
Michel Van
Space Suit Prototypes (like Grumman Moon Suit, Republic etc)
3 4 5
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185
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archipeppe
archipeppe
Triton
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Douglas Spacecraft Projects and Proposals 1961
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2
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hesham
hesham
Triton
Philco Aeronutronic Mars Excursion Module (MEM) 1964
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15
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hesham
hesham
Triton
LM-B/Space Tug
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23
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tea monster
tea monster
Graugrun
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Various South African Space projects,concepts and associated equipment
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24
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Graugrun
Graugrun
flateric
Rockwell International MRCC (Multi Role Common Core) TAV
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24
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Archibald
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flateric
Latest Angara family iterations at MAKS 2007
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16
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7K
Grey Havoc
Grey Havoc
bobbymike
New Russian Super Heavy Lift Rocket?
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7
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2K
Saber
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bearnard97
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3D printing technology for some space stuff
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0
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149
bearnard97
bearnard97
flateric
Khrunichev's concept of manned space exploration
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13
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flateric
flateric
XP67_Moonbat
Boeing AMLLV (Advanced Multipurpose Large Launch Vehicle)
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17
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publiusr
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A
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Rods from God / "Project Thor"
4 5 6
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223
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21K
trose213
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British Manned Spacecraft
2 3
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88
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Grey Havoc
Grey Havoc
flateric
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Recoverable Rocket Boosters: A Future That Never Was by Tony R.Landis
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15
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961
uk 75
uk 75
Grey Havoc
Russian-American Observation Satellite (RAMOS)
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0
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148
Grey Havoc
Grey Havoc
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MBB semi reusable Ariane - 1981
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3
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364
Michel Van
Michel Van
A
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Pulsed NTR (not Orion, but TRIGA + NERVA "hybrid")
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2
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558
Archibald
A
flateric
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BAe HOTOL
2 3 4
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122
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69K
hesham
hesham
P
To the Moon by Gemini?
2
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57
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29K
tea monster
tea monster
XP67_Moonbat
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Salyut-Skylab Space Station
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4
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3K
Grey Havoc
Grey Havoc
F
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Moving from Salyut 7 to Mir
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2
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923
Grey Havoc
Grey Havoc
hesham
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Post-Buran Concepts
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2
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317
flateric
flateric
Triton
Space Shuttle Concepts
2
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60
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27K
antigravite
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US Space Shuttle Projects
10 11 12
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447
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194K
hesham
hesham
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SBIRS
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5
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1K
Flyaway
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hesham
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Grumman Space Shuttle : Design 518 & 532 to H-33
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29
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9K
TimothyC
TimothyC
Triton
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Shuttle-Derived Heavy Lift Launch Vehicle
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5
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4K
WilliamMook
WilliamMook
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NG Mission Extension Vehicle
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17
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3K
Flyaway
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F
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Why The USSR Had Plans To Land Spacecraft in The USA During Emergencies
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14
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2K
Archibald
A
Grey Havoc
Biak Launch Center (Late '70s, 1980s)
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2
Views
336
Grey Havoc
Grey Havoc
Michel Van
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SKYRORA - UK return to Space - This time it's Private
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23
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3K
bearnard97
bearnard97
hesham
Dream Chaser for CEV requirement
3 4 5
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163
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59K
Flyaway
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flateric
AMSCI/ALSV - Air-launched mini shuttles from early 1980s - help needed
3 4 5
Replies
171
Views
82K
ChrisFay21
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FutureSpaceTourist
JP Aerospace, three airships (and electric propulsion) to orbit?
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30
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13K
Nik
Nik
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Saturn V...a question: What was classified about it?
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22
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1K
Michel Van
Michel Van
A
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Project NEPTUN - 1967 German RLV study
Replies
3
Views
399
antigravite
A
fightingirish
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    • Love
Soviet space-to-space guided missile
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11
Views
917
Dilandu
Dilandu
bearnard97
Satellite technology which helps scientists observe the land
Replies
3
Views
575
bearnard97
bearnard97
7
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Boeing & North American Rockwell "Windjammer"SSTO
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5
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1K
Orionblamblam
Orionblamblam
Graham1973
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JPL - Mars Polar Orbiter/Penetrator (1976)
Replies
1
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1K
Graham1973
Graham1973
Graham1973
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Viking 4 - Mars Surface Sample Return
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10
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2K
blackstar
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saturncanuck
Project Constellation
2
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70
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25K
dan_inbox
dan_inbox
Michel Van
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USA military lunar outpost: Project Horizon, LUNEX ...
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13
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8K
Graham1973
Graham1973
hesham
Kliper
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22
Views
13K
Grey Havoc
Grey Havoc
Graham1973
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Proposed Shuttle Payload: Modular Scanning Spectroradiometer
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3
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2K
Graham1973
Graham1973
T
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What I wrote of Columbia, Feb-Mar '03
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2
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1K
Grey Havoc
Grey Havoc
Grey Havoc
Project Asgardia (UNESCO Science of Space committee proposal)
Replies
6
Views
3K
Grey Havoc
Grey Havoc
F
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VIPER Lunar Rover
Replies
4
Views
703
blackstar
B
J
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Peenemünde-EMW A9 / A10 first configuration (July 29, 1940)
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2
Views
481
Justo Miranda
J
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US space station
2
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42
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19K
Rhinocrates
Rhinocrates
F
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Commercial Space Station
Replies
5
Views
1K
Grey Havoc
Grey Havoc
Skybolt
PARSECS - 1960
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19
Views
9K
Leiaturner
L
J
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Some wind tunnel configurations of A4 and A5 rockets
Replies
0
Views
275
Justo Miranda
J
J
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Peenemünde A3, A5 and A7 rockets
Replies
0
Views
289
Justo Miranda
J
A
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less-known Titan variants
2 3 4
Replies
132
Views
57K
Michel Van
Michel Van
BESTUZHEV
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Can you help me to ID this rocket?
Replies
4
Views
304
BESTUZHEV
BESTUZHEV
Triton
Apollo LM-derived projects
Replies
26
Views
10K
Space Baron
S
BESTUZHEV
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Early soviet moon spacecraft
Replies
4
Views
393
BESTUZHEV
BESTUZHEV
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