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Swijak: space shuttleD1
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Swijak: Space Shuttle SS-C mk I
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Swijak: Space Shuttle SS-B mk I
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Swijak: Space Shuttle SS-A mk I
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Swijak: space shuttle SS-1
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Swijak: Space Shuttle SS-A mk I
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Swijak: "Moon to Mars" concept
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Swijak: Space probe
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Swijak: Icarus concept
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Swijak: Nasa Probe "Tess"
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Swijak: GAP-1 and GAP-2 prospecting an asteroid
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Swijak: Geologic Asteroid Prospector 2
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Swijak: Geologic Asteroid Prospector 2
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Swijak: Geologic Asteroid Prospector 2
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Swijak: Geologic Asteroid Prospector 2
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Swijak: Geologic Asteroid Prospector - GAP-1
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Swijak: Geologic Asteroid Prospector - GAP-1
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Swijak: Geologic Asteroid Probe - GAP-1
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Swijak: Geologic expedition on a far away planet
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Swijak: Rocket motor ideas
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Swijak: Rocket motor ideas
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Swijak: Robonaut
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Swijak: Spidernaut
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Swijak: space shuttleC2_2a
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Swijak: Moon 2 Mars 1a