Category of spacecraft.
More... - Chronology...
Associated Spacecraft
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Echo American passive communications satellite. 2 launches, 1960.05.13 (Echo 1) and 1960.08.12 (Echo 1). The Echo satellites were NASA's first experimental communications satellite project. More...
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Westford Needles American passive communications satellite. 3 launches, 1961.10.21 (Westford) to 1963.05.09 (Westford). In an attempt to lay a radio-reflective ring around the world, small metal dipole needles were allowed to sublimate out of a matrix. More...
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Echo 2 American passive communications satellite. One launch, 1964.01.25. Passive communications satellite; balloon; 1st joint US/USSR space mission. More...
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