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"a manned earth satellite was considered a necessary research step"having a crewOpposite:
Definition that contains manned
- pirate a ship that is manned by pirates
- cruise missile an unmanned aircraft that is a self-contained bomb
- space platform a manned artificial satellite in a fixed orbit designed for scientific research
- meteorological balloon a small unmanned balloon set aloft to observe atmospheric conditions
- space station a manned artificial satellite in a fixed orbit designed for scientific research
- pirate ship a ship that is manned by pirates
- space laboratory a manned artificial satellite in a fixed orbit designed for scientific research