Feb 17 1961
From The Space Library
"Polka dot" Explorer IX found in orbit by visual and photographic means after failure of radio beacon delayed confirmation of orbit.
USAF Discoverer XX placed in polar orbit with 300-pound recovery capsule from Vandenberg Air Force Base.
NASA negotiated $400,000 contract with G. T. Schjeldahl Co. to design, develop, fabricate, and test rigidized inflatable spheres for Project Echo, the passive communications satellite program.
The last successful communication with the U.S.S.R. Venus probe was made.
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